{"containers": {"cna": {"affected": [{"product": "Apache Tomcat", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "Apache Tomcat 10 10.0.0-M1 to 10.0.0-M9"}, {"status": "affected", "version": "Apache Tomcat 9 9.0.0-M1 to 9.0.39"}, {"status": "affected", "version": "Apache Tomcat 8.5 8.5.0 to 8.5.59"}]}], "descriptions": [{"lang": "en", "value": "While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "description": "CWE-200 Information Exposure", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2024-08-04T14:01:40.000Z", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E"}, {"name": "[tomcat-dev] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r8a227ac6a755a6406c1cc47dd48800e973d4cf13fe7fe68ac59c679c%40%3Cdev.tomcat.apache.org%3E"}, {"name": "[tomcat-dev] 20201203 svn commit: r1884073 - in /tomcat/site/trunk: docs/security-10.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-8.xml xdocs/security-9.xml", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/raa0e9ad388c1e6fd1e301b5e080f9439f64cb4178119a86a4801cc53%40%3Cdev.tomcat.apache.org%3E"}, {"name": "[announce] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.apache.org%3E"}, {"name": "[tomcat-users] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rd5babd13d7a350b369b2f647b4dd32ce678af42f9aba5389df1ae6ca%40%3Cusers.tomcat.apache.org%3E"}, {"name": "[tomcat-announce] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E"}, {"name": "[oss-security] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2020/12/03/3"}, {"name": "[guacamole-issues] 20201206 [jira] [Created] (GUACAMOLE-1229) Fix in Dockerhub for latest CVE-2020-17527", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rabbe6b3ae6a9795641d7a05c00d2378d5bbbe4240b7e20f09b092cce%40%3Cissues.guacamole.apache.org%3E"}, {"name": "[guacamole-issues] 20201206 [jira] [Commented] (GUACAMOLE-1229) Fix in Dockerhub for latest CVE-2020-17527", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/ra35c8d617b17d59f400112cebadec43ad379f98198b4a9726190d7ee%40%3Cissues.guacamole.apache.org%3E"}, {"name": "[tomee-commits] 20201207 [jira] [Created] (TOMEE-2936) TomEE plus(7.0.9) is affected by CVE-2020-17527(BDSA-2020-3628) vulnerability.", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r9fd47f1b03e9b41d16a5cf72659b533887267d3398d963c2fff3abfa%40%3Ccommits.tomee.apache.org%3E"}, {"name": "[tomee-commits] 20201207 [jira] [Assigned] (TOMEE-2936) TomEE plus(7.0.9) is affected by CVE-2020-17527(BDSA-2020-3628) vulnerability.", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r26a2a66339087fc37db3caf201e446d3e83b5cce314371e235ff1784%40%3Ccommits.tomee.apache.org%3E"}, {"name": "[debian-lts-announce] 20201216 [SECURITY] [DLA 2495-1] tomcat8 security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00022.html"}, {"name": "GLSA-202012-23", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202012-23"}, {"name": "[tomcat-dev] 20210114 svn commit: r1885488 - in /tomcat/site/trunk: docs/security-10.html docs/security-7.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-7.xml xdocs/security-8.xml xdocs/security-9.xml", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rca833c6d42b7b9ce1563488c0929f29fcc95947d86e5e740258c8937%40%3Cdev.tomcat.apache.org%3E"}, {"name": "[announce] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d%40%3Cannounce.apache.org%3E"}, {"name": "[tomcat-dev] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r5a285242737ddef4d338236328aaaf3237183e1465a5efafd16b99ed%40%3Cdev.tomcat.apache.org%3E"}, {"name": "[tomcat-announce] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d%40%3Cannounce.tomcat.apache.org%3E"}, {"name": "[tomcat-users] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/rbba08c4dcef3603e36276d49adda8eedbe458c5104314b4038f697e1%40%3Cusers.tomcat.apache.org%3E"}, {"name": "DSA-4835", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2021/dsa-4835"}, {"name": "[tomee-commits] 20210319 [jira] [Updated] (TOMEE-2936) TomEE plus(7.0.9) is affected by CVE-2020-17527(BDSA-2020-3628) vulnerability.", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.apache.org/thread.html/r2d6e05c5ff96f8068a59dfdb3800e9ee8d4e36ce1971783c6e5f9b20%40%3Ccommits.tomee.apache.org%3E"}, {"tags": ["x_refsource_MISC"], "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20201210-0003/"}, {"tags": ["x_refsource_MISC"], "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"tags": ["x_refsource_MISC"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}, {"tags": ["x_refsource_MISC"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache Tomcat: Request header mix-up between HTTP/2 streams", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@apache.org", "ID": "CVE-2020-17527", "STATE": "PUBLIC", "TITLE": "Apache Tomcat: Request header mix-up between HTTP/2 streams"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Apache Tomcat", "version": {"version_data": [{"version_affected": "=", "version_name": "Apache Tomcat 10", "version_value": "10.0.0-M1 to 10.0.0-M9"}, {"version_affected": "=", "version_name": "Apache Tomcat 9", "version_value": "9.0.0-M1 to 9.0.39"}, {"version_affected": "=", "version_name": "Apache Tomcat 8.5", "version_value": "8.5.0 to 8.5.59"}]}}]}, "vendor_name": "Apache Software Foundation"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-200 Information Exposure"}]}]}, "references": {"reference_data": [{"name": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E", "refsource": "MISC", "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E"}, {"name": "[tomcat-dev] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r8a227ac6a755a6406c1cc47dd48800e973d4cf13fe7fe68ac59c679c@%3Cdev.tomcat.apache.org%3E"}, {"name": "[tomcat-dev] 20201203 svn commit: r1884073 - in /tomcat/site/trunk: docs/security-10.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-8.xml xdocs/security-9.xml", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/raa0e9ad388c1e6fd1e301b5e080f9439f64cb4178119a86a4801cc53@%3Cdev.tomcat.apache.org%3E"}, {"name": "[announce] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5@%3Cannounce.apache.org%3E"}, {"name": "[tomcat-users] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rd5babd13d7a350b369b2f647b4dd32ce678af42f9aba5389df1ae6ca@%3Cusers.tomcat.apache.org%3E"}, {"name": "[tomcat-announce] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5@%3Cannounce.tomcat.apache.org%3E"}, {"name": "[oss-security] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2020/12/03/3"}, {"name": "[guacamole-issues] 20201206 [jira] [Created] (GUACAMOLE-1229) Fix in Dockerhub for latest CVE-2020-17527", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rabbe6b3ae6a9795641d7a05c00d2378d5bbbe4240b7e20f09b092cce@%3Cissues.guacamole.apache.org%3E"}, {"name": "[guacamole-issues] 20201206 [jira] [Commented] (GUACAMOLE-1229) Fix in Dockerhub for latest CVE-2020-17527", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/ra35c8d617b17d59f400112cebadec43ad379f98198b4a9726190d7ee@%3Cissues.guacamole.apache.org%3E"}, {"name": "[tomee-commits] 20201207 [jira] [Created] (TOMEE-2936) TomEE plus(7.0.9) is affected by CVE-2020-17527(BDSA-2020-3628) vulnerability.", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r9fd47f1b03e9b41d16a5cf72659b533887267d3398d963c2fff3abfa@%3Ccommits.tomee.apache.org%3E"}, {"name": "[tomee-commits] 20201207 [jira] [Assigned] (TOMEE-2936) TomEE plus(7.0.9) is affected by CVE-2020-17527(BDSA-2020-3628) vulnerability.", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r26a2a66339087fc37db3caf201e446d3e83b5cce314371e235ff1784@%3Ccommits.tomee.apache.org%3E"}, {"name": "[debian-lts-announce] 20201216 [SECURITY] [DLA 2495-1] tomcat8 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00022.html"}, {"name": "GLSA-202012-23", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202012-23"}, {"name": "[tomcat-dev] 20210114 svn commit: r1885488 - in /tomcat/site/trunk: docs/security-10.html docs/security-7.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-7.xml xdocs/security-8.xml xdocs/security-9.xml", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rca833c6d42b7b9ce1563488c0929f29fcc95947d86e5e740258c8937@%3Cdev.tomcat.apache.org%3E"}, {"name": "[announce] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d@%3Cannounce.apache.org%3E"}, {"name": "[tomcat-dev] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r5a285242737ddef4d338236328aaaf3237183e1465a5efafd16b99ed@%3Cdev.tomcat.apache.org%3E"}, {"name": "[tomcat-announce] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d@%3Cannounce.tomcat.apache.org%3E"}, {"name": "[tomcat-users] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/rbba08c4dcef3603e36276d49adda8eedbe458c5104314b4038f697e1@%3Cusers.tomcat.apache.org%3E"}, {"name": "DSA-4835", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2021/dsa-4835"}, {"name": "[tomee-commits] 20210319 [jira] [Updated] (TOMEE-2936) TomEE plus(7.0.9) is affected by CVE-2020-17527(BDSA-2020-3628) vulnerability.", "refsource": "MLIST", "url": "https://lists.apache.org/thread.html/r2d6e05c5ff96f8068a59dfdb3800e9ee8d4e36ce1971783c6e5f9b20@%3Ccommits.tomee.apache.org%3E"}, {"name": "https://www.oracle.com/security-alerts/cpuApr2021.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"}, {"name": "https://security.netapp.com/advisory/ntap-20201210-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20201210-0003/"}, {"name": "https://www.oracle.com//security-alerts/cpujul2021.html", "refsource": "MISC", "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"name": "https://www.oracle.com/security-alerts/cpujan2022.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}, {"name": "https://www.oracle.com/security-alerts/cpuapr2022.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T14:00:48.652Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E"}, {"name": "[tomcat-dev] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r8a227ac6a755a6406c1cc47dd48800e973d4cf13fe7fe68ac59c679c%40%3Cdev.tomcat.apache.org%3E"}, {"name": "[tomcat-dev] 20201203 svn commit: r1884073 - in /tomcat/site/trunk: docs/security-10.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-8.xml xdocs/security-9.xml", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/raa0e9ad388c1e6fd1e301b5e080f9439f64cb4178119a86a4801cc53%40%3Cdev.tomcat.apache.org%3E"}, {"name": "[announce] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.apache.org%3E"}, {"name": "[tomcat-users] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rd5babd13d7a350b369b2f647b4dd32ce678af42f9aba5389df1ae6ca%40%3Cusers.tomcat.apache.org%3E"}, {"name": "[tomcat-announce] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E"}, {"name": "[oss-security] 20201203 [SECURITY] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2020/12/03/3"}, {"name": "[guacamole-issues] 20201206 [jira] [Created] (GUACAMOLE-1229) Fix in Dockerhub for latest CVE-2020-17527", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rabbe6b3ae6a9795641d7a05c00d2378d5bbbe4240b7e20f09b092cce%40%3Cissues.guacamole.apache.org%3E"}, {"name": "[guacamole-issues] 20201206 [jira] [Commented] (GUACAMOLE-1229) Fix in Dockerhub for latest CVE-2020-17527", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/ra35c8d617b17d59f400112cebadec43ad379f98198b4a9726190d7ee%40%3Cissues.guacamole.apache.org%3E"}, {"name": "[tomee-commits] 20201207 [jira] [Created] (TOMEE-2936) TomEE plus(7.0.9) is affected by CVE-2020-17527(BDSA-2020-3628) vulnerability.", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r9fd47f1b03e9b41d16a5cf72659b533887267d3398d963c2fff3abfa%40%3Ccommits.tomee.apache.org%3E"}, {"name": "[tomee-commits] 20201207 [jira] [Assigned] (TOMEE-2936) TomEE plus(7.0.9) is affected by CVE-2020-17527(BDSA-2020-3628) vulnerability.", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r26a2a66339087fc37db3caf201e446d3e83b5cce314371e235ff1784%40%3Ccommits.tomee.apache.org%3E"}, {"name": "[debian-lts-announce] 20201216 [SECURITY] [DLA 2495-1] tomcat8 security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00022.html"}, {"name": "GLSA-202012-23", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202012-23"}, {"name": "[tomcat-dev] 20210114 svn commit: r1885488 - in /tomcat/site/trunk: docs/security-10.html docs/security-7.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-7.xml xdocs/security-8.xml xdocs/security-9.xml", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rca833c6d42b7b9ce1563488c0929f29fcc95947d86e5e740258c8937%40%3Cdev.tomcat.apache.org%3E"}, {"name": "[announce] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d%40%3Cannounce.apache.org%3E"}, {"name": "[tomcat-dev] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r5a285242737ddef4d338236328aaaf3237183e1465a5efafd16b99ed%40%3Cdev.tomcat.apache.org%3E"}, {"name": "[tomcat-announce] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d%40%3Cannounce.tomcat.apache.org%3E"}, {"name": "[tomcat-users] 20210119 Re: [SECURITY][CORRECTION] CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/rbba08c4dcef3603e36276d49adda8eedbe458c5104314b4038f697e1%40%3Cusers.tomcat.apache.org%3E"}, {"name": "DSA-4835", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2021/dsa-4835"}, {"name": "[tomee-commits] 20210319 [jira] [Updated] (TOMEE-2936) TomEE plus(7.0.9) is affected by CVE-2020-17527(BDSA-2020-3628) vulnerability.", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.apache.org/thread.html/r2d6e05c5ff96f8068a59dfdb3800e9ee8d4e36ce1971783c6e5f9b20%40%3Ccommits.tomee.apache.org%3E"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20201210-0003/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}]}]}, "cveMetadata": {"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "cveId": "CVE-2020-17527", "datePublished": "2020-12-03T18:30:14.000Z", "dateReserved": "2020-08-12T00:00:00.000Z", "dateUpdated": "2025-02-13T16:27:36.405Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "matchCriteriaId": "331F7519-79B9-480B-AF4F-E976C003F044", "versionEndIncluding": "8.5.59", "versionStartIncluding": "8.5.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "matchCriteriaId": "FFF08CD9-EBB1-448B-A8E8-C940C77B1D5E", "versionEndIncluding": "9.0.35", "versionStartIncluding": "9.0.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone10:*:*:*:*:*:*", "matchCriteriaId": "89B129B2-FB6F-4EF9-BF12-E589A87996CF", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone11:*:*:*:*:*:*", "matchCriteriaId": "8B6787B6-54A8-475E-BA1C-AB99334B2535", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone12:*:*:*:*:*:*", "matchCriteriaId": "EABB6FBC-7486-44D5-A6AD-FFF1D3F677E1", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone13:*:*:*:*:*:*", "matchCriteriaId": "E10C03BC-EE6B-45B2-83AE-9E8DFB58D7DB", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone14:*:*:*:*:*:*", "matchCriteriaId": "8A6DA0BE-908C-4DA8-A191-A0113235E99A", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone15:*:*:*:*:*:*", "matchCriteriaId": "39029C72-28B4-46A4-BFF5-EC822CFB2A4C", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone16:*:*:*:*:*:*", "matchCriteriaId": "1A2E05A3-014F-4C4D-81E5-88E725FBD6AD", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone17:*:*:*:*:*:*", "matchCriteriaId": "166C533C-0833-41D5-99B6-17A4FAB3CAF0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone18:*:*:*:*:*:*", "matchCriteriaId": "D3768C60-21FA-4B92-B98C-C3A2602D1BC4", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone19:*:*:*:*:*:*", "matchCriteriaId": "DDD510FA-A2E4-4BAF-A0DE-F4E5777E9325", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone20:*:*:*:*:*:*", "matchCriteriaId": "C2409CC7-6A85-4A66-A457-0D62B9895DC1", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone21:*:*:*:*:*:*", "matchCriteriaId": "B392A7E5-4455-4B1C-8FAC-AE6DDC70689E", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone22:*:*:*:*:*:*", "matchCriteriaId": "EF411DDA-2601-449A-9046-D250419A0E1A", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone23:*:*:*:*:*:*", "matchCriteriaId": "D7D8F2F4-AFE2-47EA-A3FD-79B54324DE02", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone24:*:*:*:*:*:*", "matchCriteriaId": "1B4FBF97-DE16-4E5E-BE19-471E01818D40", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone25:*:*:*:*:*:*", "matchCriteriaId": "3B266B1E-24B5-47EE-A421-E0E3CC0C7471", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone26:*:*:*:*:*:*", "matchCriteriaId": "29614C3A-6FB3-41C7-B56E-9CC3F45B04F0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone27:*:*:*:*:*:*", "matchCriteriaId": "C6AB156C-8FF6-4727-AF75-590D0DCB3F9D", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:*", "matchCriteriaId": "49AAF4DF-F61D-47A8-8788-A21E317A145D", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:*", "matchCriteriaId": "454211D0-60A2-4661-AECA-4C0121413FEB", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:*", "matchCriteriaId": "0686F977-889F-4960-8E0B-7784B73A7F2D", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:*", "matchCriteriaId": "558703AE-DB5E-4DFF-B497-C36694DD7B24", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:*", "matchCriteriaId": "ED6273F2-1165-47A4-8DD7-9E9B2472941B", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.35-3.39.1:*:*:*:*:*:*:*", "matchCriteriaId": "9F2604F0-857C-46CE-AEE1-B44465AEF60A", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.35-3.57.3:*:*:*:*:*:*:*", "matchCriteriaId": "3B091EFC-E08F-4479-8D7C-2F7C354C2825", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.36:*:*:*:*:*:*:*", "matchCriteriaId": "236DC804-3275-4395-BFAA-260E66AB752B", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.37:*:*:*:*:*:*:*", "matchCriteriaId": "41F32E7D-12E8-4EC9-A504-7CA293CC8821", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.38:*:*:*:*:*:*:*", "matchCriteriaId": "1C1F838B-B872-4A46-A0AF-E7139E940287", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.39:*:*:*:*:*:*:*", "matchCriteriaId": "DA41695A-A680-43C3-A844-0E5863E049E5", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:10.0.0:milestone1:*:*:*:*:*:*", "matchCriteriaId": "90CD7E85-4FF9-4158-AC78-4BFCBC882A65", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:10.0.0:milestone2:*:*:*:*:*:*", "matchCriteriaId": "7EA56B52-1015-40CD-B10C-393768094269", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:10.0.0:milestone3:*:*:*:*:*:*", "matchCriteriaId": "501B0D4A-D636-4736-979B-D5023599CEFB", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:10.0.0:milestone4:*:*:*:*:*:*", "matchCriteriaId": "94E7764F-BF9E-463E-B446-A9A8DB92BB97", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:10.0.0:milestone5:*:*:*:*:*:*", "matchCriteriaId": "53A9F7EE-AF2A-43E5-B708-0198784AB45A", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:10.0.0:milestone6:*:*:*:*:*:*", "matchCriteriaId": "AC872C5F-63AF-4BB8-8629-334FC9704AE8", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:10.0.0:milestone7:*:*:*:*:*:*", "matchCriteriaId": "94B95C95-DF3E-49C1-9CA0-4474DD7EF7B8", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:10.0.0:milestone8:*:*:*:*:*:*", "matchCriteriaId": "310B0163-01DE-40DA-A2EA-FFA4A6100037", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:tomcat:10.0.0:milestone9:*:*:*:*:*:*", "matchCriteriaId": "75420449-A951-4133-A5F1-4C01F2DF843B", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:netapp:element_plug-in:-:*:*:*:*:vcenter_server:*:*", "matchCriteriaId": "B5DA9DF4-0CE6-479F-ACAC-8059558F7462", "vulnerable": true}, {"criteria": "cpe:2.3:a:netapp:oncommand_system_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "34B80C9D-62AA-42FA-AB46-F8A414FCBE5E", "versionEndIncluding": "3.1.3", "versionStartIncluding": "3.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oracle:blockchain_platform:*:*:*:*:*:*:*:*", "matchCriteriaId": "D0DBC938-A782-433F-8BF1-CA250C332AA7", "versionEndExcluding": "21.1.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:1.10.0:*:*:*:*:*:*:*", "matchCriteriaId": "B6B6FE82-7BFA-481D-99D6-789B146CA18B", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*", "matchCriteriaId": "4479F76A-4B67-41CC-98C7-C76B81050F8E", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:communications_instant_messaging_server:10.0.1.5.0:*:*:*:*:*:*:*", "matchCriteriaId": "C4A94B36-479F-48F2-9B9E-ACEA2589EF48", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*", "matchCriteriaId": "82EA4BA7-C38B-4AF3-8914-9E3D089EBDD4", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*", "matchCriteriaId": "B9C9BC66-FA5F-4774-9BDA-7AB88E2839C4", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*", "matchCriteriaId": "7F69B9A5-F21B-4904-9F27-95C0F7A628E3", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*", "matchCriteriaId": "44B24982-87BE-4563-8B7E-D846607B641B", "versionEndExcluding": "8.0.23", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:sd-wan_edge:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "77E39D5C-5EFA-4FEB-909E-0A92004F2563", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:workload_manager:18c:*:*:*:*:*:*:*", "matchCriteriaId": "630C8E99-FE49-486E-9003-40B82809B7A3", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:workload_manager:19c:*:*:*:*:*:*:*", "matchCriteriaId": "C842DE9E-5E12-4295-AFA5-DEB5FEDE490A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests."}, {"lang": "es", "value": "Al investigar el error 64830, se detect\u00f3 que Apache Tomcat versiones 10.0.0-M1 hasta 10.0.0-M9, versiones 9.0.0-M1 hasta 9.0.39 y versiones 8.5.0 hasta 8.5.59, podr\u00eda reutilizar un valor de encabezado de petici\u00f3n HTTP de la transmisi\u00f3n anterior recibida en una conexi\u00f3n HTTP/2 para la petici\u00f3n asociada con la transmisi\u00f3n posterior. Si bien esto probablemente conllevar\u00eda a un error y al cierre de la conexi\u00f3n HTTP/2, es posible que la informaci\u00f3n podr\u00eda filtrarse entre peticiones"}], "id": "CVE-2020-17527", "lastModified": "2024-11-21T05:08:17.910", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-03T19:15:12.200", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/12/03/3"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r26a2a66339087fc37db3caf201e446d3e83b5cce314371e235ff1784%40%3Ccommits.tomee.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r2d6e05c5ff96f8068a59dfdb3800e9ee8d4e36ce1971783c6e5f9b20%40%3Ccommits.tomee.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r5a285242737ddef4d338236328aaaf3237183e1465a5efafd16b99ed%40%3Cdev.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r8a227ac6a755a6406c1cc47dd48800e973d4cf13fe7fe68ac59c679c%40%3Cdev.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r9fd47f1b03e9b41d16a5cf72659b533887267d3398d963c2fff3abfa%40%3Ccommits.tomee.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/ra35c8d617b17d59f400112cebadec43ad379f98198b4a9726190d7ee%40%3Cissues.guacamole.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d%40%3Cannounce.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d%40%3Cannounce.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/raa0e9ad388c1e6fd1e301b5e080f9439f64cb4178119a86a4801cc53%40%3Cdev.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rabbe6b3ae6a9795641d7a05c00d2378d5bbbe4240b7e20f09b092cce%40%3Cissues.guacamole.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rbba08c4dcef3603e36276d49adda8eedbe458c5104314b4038f697e1%40%3Cusers.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rca833c6d42b7b9ce1563488c0929f29fcc95947d86e5e740258c8937%40%3Cdev.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.apache.org%3E"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/rd5babd13d7a350b369b2f647b4dd32ce678af42f9aba5389df1ae6ca%40%3Cusers.tomcat.apache.org%3E"}, {"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00022.html"}, {"source": "security@apache.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202012-23"}, {"source": "security@apache.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20201210-0003/"}, {"source": "security@apache.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4835"}, {"source": "security@apache.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"source": "security@apache.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"}, {"source": "security@apache.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}, {"source": "security@apache.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/12/03/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r26a2a66339087fc37db3caf201e446d3e83b5cce314371e235ff1784%40%3Ccommits.tomee.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r2d6e05c5ff96f8068a59dfdb3800e9ee8d4e36ce1971783c6e5f9b20%40%3Ccommits.tomee.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r5a285242737ddef4d338236328aaaf3237183e1465a5efafd16b99ed%40%3Cdev.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r8a227ac6a755a6406c1cc47dd48800e973d4cf13fe7fe68ac59c679c%40%3Cdev.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r9fd47f1b03e9b41d16a5cf72659b533887267d3398d963c2fff3abfa%40%3Ccommits.tomee.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/ra35c8d617b17d59f400112cebadec43ad379f98198b4a9726190d7ee%40%3Cissues.guacamole.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d%40%3Cannounce.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/ra9fcdb904dd2e2256ef90b3e4ced279cd464cb0ab63a6c64df5c010d%40%3Cannounce.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/raa0e9ad388c1e6fd1e301b5e080f9439f64cb4178119a86a4801cc53%40%3Cdev.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rabbe6b3ae6a9795641d7a05c00d2378d5bbbe4240b7e20f09b092cce%40%3Cissues.guacamole.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rbba08c4dcef3603e36276d49adda8eedbe458c5104314b4038f697e1%40%3Cusers.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rca833c6d42b7b9ce1563488c0929f29fcc95947d86e5e740258c8937%40%3Cdev.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread.html/rce5ac9a40173651d540babce59f6f3825f12c6d4e886ba00823b11e5%40%3Cannounce.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/rd5babd13d7a350b369b2f647b4dd32ce678af42f9aba5389df1ae6ca%40%3Cusers.tomcat.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202012-23"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20201210-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4835"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com//security-alerts/cpujul2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "security@apache.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:5134", "cpe": "cpe:/a:redhat:jboss_fuse:7", "impact": "low", "package": "tomcat", "product_name": "Red Hat Fuse 7.10", "release_date": "2021-12-14T00:00:00Z"}, {"advisory": "RHSA-2021:0495", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4", "package": "tomcat", "product_name": "Red Hat JBoss Web Server 5", "release_date": "2021-02-11T00:00:00Z"}, {"advisory": "RHSA-2021:0494", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el7", "package": "jws5-tomcat-0:9.0.36-9.redhat_8.1.el7jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 7", "release_date": "2021-02-11T00:00:00Z"}, {"advisory": "RHSA-2021:0494", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el7", "package": "jws5-tomcat-native-0:1.2.25-3.redhat_3.el7jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 7", "release_date": "2021-02-11T00:00:00Z"}, {"advisory": "RHSA-2021:0494", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el8", "package": "jws5-tomcat-0:9.0.36-9.redhat_8.1.el8jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 8", "release_date": "2021-02-11T00:00:00Z"}, {"advisory": "RHSA-2021:0494", "cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5.4::el8", "package": "jws5-tomcat-native-0:1.2.25-3.redhat_3.el8jws", "product_name": "Red Hat JBoss Web Server 5.4 on RHEL 8", "release_date": "2021-02-11T00:00:00Z"}, {"advisory": "RHSA-2021:4012", "cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "package": "tomcat", "product_name": "Red Hat Support for Spring Boot 2.4.9", "release_date": "2021-10-28T00:00:00Z"}], "bugzilla": {"description": "tomcat: HTTP/2 request header mix-up", "id": "1904221", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1904221"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests."], "name": "CVE-2020-17527", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:7", "fix_state": "Not affected", "package_name": "tomcat", "product_name": "Red Hat Decision Manager 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "tomcat5", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "tomcat6", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "impact": "low", "package_name": "pki-deps:10.6/pki-servlet-engine", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:6", "fix_state": "Out of support scope", "package_name": "jbossweb", "product_name": "Red Hat JBoss Data Grid 6"}, {"cpe": "cpe:/a:redhat:jboss_data_virtualization:6", "fix_state": "Out of support scope", "package_name": "jbossweb", "product_name": "Red Hat JBoss Data Virtualization 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Out of support scope", "package_name": "jbossweb", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Out of support scope", "package_name": "tomcat", "product_name": "Red Hat JBoss Fuse 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Not affected", "package_name": "tomcat", "product_name": "Red Hat JBoss Web Server 3"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Not affected", "package_name": "opendaylight", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Not affected", "package_name": "opendaylight", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Not affected", "package_name": "tomcat", "product_name": "Red Hat Process Automation 7"}], "public_date": "2020-12-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-17527\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-17527\nhttp://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M10\nhttp://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.60\nhttp://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.40"], "statement": "Red Hat Enterprise Linux 8's Identity Management and Certificate System are using a vulnerable version of Tomcat that is bundled into the pki-servlet-engine component. However, HTTP/2 is not enabled in such a configuration, and it is not possible to trigger the flaw in a supported setup. A future update may fix the code.\nRed Hat Enterprise Linux 7's tomcat package, Identity Management, and Certificate System are all not affected by this flaw because HTTP/2 is not supported in the shipped version of tomcat in those packages.\ntomcat5 and tomcat6 in Red Hat Enterprise Linux 5 and 6 (respectively) are not affected by this flaw because HTTP/2 is not supported in the shipped versions of those packages.", "threat_severity": "Moderate", "upstream_fix": "tomcat 10.0.0-M10, tomcat 9.0.40, tomcat 8.5.60"}