{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-4397", "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f", "state": "PUBLISHED", "assignerShortName": "Zyxel", "dateReserved": "2023-08-17T08:25:31.464Z", "datePublished": "2023-11-28T01:42:00.951Z", "dateUpdated": "2024-08-02T07:24:04.592Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "ATP series firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "5.37"}]}, {"defaultStatus": "unaffected", "product": "USG FLEX series firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "5.37"}]}, {"defaultStatus": "unaffected", "product": " USG FLEX 50(W) series firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "5.37"}]}, {"defaultStatus": "unaffected", "product": "USG20(W)-VPN series firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "5.37"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device."}], "value": "A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f", "shortName": "Zyxel", "dateUpdated": "2023-11-28T01:42:00.951Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:24:04.592Z"}, "title": "CVE Program Container", "references": [{"tags": ["vendor-advisory", "x_transferred"], "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps"}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:zld:5.37:*:*:*:*:*:*:*", "matchCriteriaId": "26B7AE28-E9ED-4488-BF31-74A15DE79C7A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:*", "matchCriteriaId": "7F7654A1-3806-41C7-82D4-46B0CD7EE53B", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:*", "matchCriteriaId": "47398FD0-6C5E-4625-9EFD-DE08C9AB7DB2", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:*", "matchCriteriaId": "D68A36FF-8CAF-401C-9F18-94F3A2405CF4", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:*", "matchCriteriaId": "2818E8AC-FFEE-4DF9-BF3F-C75166C0E851", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:*", "matchCriteriaId": "0B41F437-855B-4490-8011-DF59887BE6D5", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:*", "matchCriteriaId": "66B99746-0589-46E6-9CBD-F38619AD97DC", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:zld:5.37:*:*:*:*:*:*:*", "matchCriteriaId": "26B7AE28-E9ED-4488-BF31-74A15DE79C7A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*", "matchCriteriaId": "2B30A4C0-9928-46AD-9210-C25656FB43FB", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*", "matchCriteriaId": "D74ABA7E-AA78-4A13-A64E-C44021591B42", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*", "matchCriteriaId": "F93B6A06-2951-46D2-A7E1-103D7318D612", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*", "matchCriteriaId": "646C1F07-B553-47B0-953B-DC7DE7FD0F8B", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*", "matchCriteriaId": "92C697A5-D1D3-4FF0-9C43-D27B18181958", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:*", "matchCriteriaId": "110A1CA4-0170-4834-8281-0A3E14FC5584", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*", "matchCriteriaId": "9D1396E3-731B-4D05-A3F8-F3ABB80D5C29", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:zld:5.37:*:*:*:*:*:*:*", "matchCriteriaId": "26B7AE28-E9ED-4488-BF31-74A15DE79C7A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:usg_20w-vpn:-:*:*:*:*:*:*:*", "matchCriteriaId": "6BEA412F-3DA1-4E91-9C74-0666147DABCE", "vulnerable": false}, {"criteria": "cpe:2.3:h:zyxel:vpn50w:-:*:*:*:*:*:*:*", "matchCriteriaId": "371CE32A-C28E-44D2-9B0B-D8775928FD0E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento del b\u00fafer en la versi\u00f3n 5.37 del firmware de la serie Zyxel ATP, la versi\u00f3n 5.37 del firmware de la serie USG FLEX, la versi\u00f3n 5.37 del firmware de la serie USG FLEX 50(W) y la versi\u00f3n 5.37 del firmware de la serie USG20(W)-VPN, podr\u00eda permitir que un atacante local autenticado con privilegios de administrador para provocar condiciones de denegaci\u00f3n de servicio (DoS) ejecutando el comando CLI con cadenas manipuladas en un dispositivo afectado."}], "id": "CVE-2023-4397", "lastModified": "2024-11-21T08:35:03.707", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 3.6, "source": "security@zyxel.com.tw", "type": "Secondary"}]}, "published": "2023-11-28T02:15:42.990", "references": [{"source": "security@zyxel.com.tw", "tags": ["Vendor Advisory"], "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps"}], "sourceIdentifier": "security@zyxel.com.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "security@zyxel.com.tw", "type": "Secondary"}]}

{}