{"containers": {"cna": {"affected": [{"product": "Cisco Web Security Appliance (WSA)", "vendor": "Cisco", "versions": [{"lessThan": "11.5.2-020", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "11.7.0-406", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2019-05-01T00:00:00", "descriptions": [{"lang": "en", "value": "A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of HTTP and HTTPS requests. An attacker could exploit this vulnerability by sending a malformed HTTP or HTTPS request to an affected device. An exploit could allow the attacker to cause a restart of the web proxy process, resulting in a temporary DoS condition."}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2019-05-03T16:30:23", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"name": "20190501 Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-dos"}], "source": {"advisory": "cisco-sa-20190501-wsa-dos", "defect": [["CSCvn31450"]], "discovery": "INTERNAL"}, "title": "Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-05-01T16:00:00-0700", "ID": "CVE-2019-1817", "STATE": "PUBLIC", "TITLE": "Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cisco Web Security Appliance (WSA)", "version": {"version_data": [{"affected": "<", "version_affected": "<", "version_value": "11.5.2-020"}, {"affected": "<", "version_affected": "<", "version_value": "11.7.0-406"}]}}]}, "vendor_name": "Cisco"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of HTTP and HTTPS requests. An attacker could exploit this vulnerability by sending a malformed HTTP or HTTPS request to an affected device. An exploit could allow the attacker to cause a restart of the web proxy process, resulting in a temporary DoS condition."}]}, "exploit": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "impact": {"cvss": {"baseScore": "8.6", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20"}]}]}, "references": {"reference_data": [{"name": "20190501 Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-dos"}]}, "source": {"advisory": "cisco-sa-20190501-wsa-dos", "defect": [["CSCvn31450"]], "discovery": "INTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T18:28:42.874Z"}, "title": "CVE Program Container", "references": [{"name": "20190501 Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-dos"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-11-19T17:24:17.123923Z", "id": "CVE-2019-1817", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-19T19:08:01.759Z"}}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2019-1817", "datePublished": "2019-05-03T16:30:23.214365Z", "dateReserved": "2018-12-06T00:00:00", "dateUpdated": "2024-11-19T19:08:01.759Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-dos", "name": "20190501 Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T18:28:42.874Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2019-1817", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-11-19T17:24:17.123923Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-19T17:24:48.551Z"}}], "cna": {"title": "Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability", "source": {"defect": [["CSCvn31450"]], "advisory": "cisco-sa-20190501-wsa-dos", "discovery": "INTERNAL"}, "metrics": [{"cvssV3_0": {"scope": "CHANGED", "version": "3.0", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "Cisco", "product": "Cisco Web Security Appliance (WSA)", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "11.5.2-020", "versionType": "custom"}, {"status": "affected", "version": "unspecified", "lessThan": "11.7.0-406", "versionType": "custom"}]}], "exploits": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "datePublic": "2019-05-01T00:00:00", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-dos", "name": "20190501 Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of HTTP and HTTPS requests. An attacker could exploit this vulnerability by sending a malformed HTTP or HTTPS request to an affected device. An exploit could allow the attacker to cause a restart of the web proxy process, resulting in a temporary DoS condition."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "CWE-20"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2019-05-03T16:30:23"}, "x_legacyV4Record": {"impact": {"cvss": {"version": "3.0", "baseScore": "8.6", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"}}, "source": {"defect": [["CSCvn31450"]], "advisory": "cisco-sa-20190501-wsa-dos", "discovery": "INTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"affected": "<", "version_value": "11.5.2-020", "version_affected": "<"}, {"affected": "<", "version_value": "11.7.0-406", "version_affected": "<"}]}, "product_name": "Cisco Web Security Appliance (WSA)"}]}, "vendor_name": "Cisco"}]}}, "exploit": [{"lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "data_type": "CVE", "references": {"reference_data": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-dos", "name": "20190501 Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability", "refsource": "CISCO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of HTTP and HTTPS requests. An attacker could exploit this vulnerability by sending a malformed HTTP or HTTPS request to an affected device. An exploit could allow the attacker to cause a restart of the web proxy process, resulting in a temporary DoS condition."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-1817", "STATE": "PUBLIC", "TITLE": "Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability", "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-05-01T16:00:00-0700"}}}}, "cveMetadata": {"cveId": "CVE-2019-1817", "state": "PUBLISHED", "dateUpdated": "2024-11-19T19:08:01.759Z", "dateReserved": "2018-12-06T00:00:00", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2019-05-03T16:30:23.214365Z", "assignerShortName": "cisco"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:web_security_appliance:11.5.1-fcs-115:*:*:*:*:*:*:*", "matchCriteriaId": "12479145-9933-4FB8-A479-AFB8A2C526EA", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:web_security_appliance:11.5.1-fcs-124:*:*:*:*:*:*:*", "matchCriteriaId": "2791C835-E7E9-4AD0-8560-2FC79CE855AD", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:web_security_appliance:11.5.1-fcs-125:*:*:*:*:*:*:*", "matchCriteriaId": "4608EA78-F5CD-42A3-9F25-124ED4A7F792", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:web_security_appliance:11.7.0-fcs-334:*:*:*:*:*:*:*", "matchCriteriaId": "F7EE04AC-5EFE-46D2-8B54-E923E90E4601", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of HTTP and HTTPS requests. An attacker could exploit this vulnerability by sending a malformed HTTP or HTTPS request to an affected device. An exploit could allow the attacker to cause a restart of the web proxy process, resulting in a temporary DoS condition."}, {"lang": "es", "value": "Una vulnerabilidad en la funcionalidad web proxy de Cisco AsyncOS Software para Cisco Web Security Appliance, podr\u00eda permitir que un atacante remoto no identificado cause una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) en un dispositivo afectado. La vulnerabilidad es debido a la comprobaci\u00f3n inapropiada de las peticiones HTTP y HTTPS. Un atacante podr\u00eda aprovechar esta vulnerabilidad mediante el envio de una petici\u00f3n HTTP o HTTPS malformada a un dispositivo afectado. Una operaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar un reinicio del proceso web proxy, resultando en una condici\u00f3n de DoS temporal."}], "id": "CVE-2019-1817", "lastModified": "2024-11-21T04:37:26.647", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "ykramarz@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-05-03T17:29:01.000", "references": [{"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-dos"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-wsa-dos"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "ykramarz@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}