CVE-2021-3547

{"id": "CVE-2021-3547", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.2}]}, "published": "2021-07-12T11:15:08.233", "references": [{"url": "https://community.openvpn.net/openvpn/wiki/CVE-2021-3547", "tags": ["Patch", "Vendor Advisory"], "source": "security@openvpn.net"}, {"url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements", "tags": ["Vendor Advisory"], "source": "security@openvpn.net"}, {"url": "https://community.openvpn.net/openvpn/wiki/CVE-2021-3547", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@openvpn.net", "description": [{"lang": "en", "value": "CWE-305"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "OpenVPN 3 Core Library version 3.6 and 3.6.1 allows a man-in-the-middle attacker to bypass the certificate authentication by issuing an unrelated server certificate using the same hostname found in the verify-x509-name option in a client configuration."}, {"lang": "es", "value": "OpenVPN 3 Core Library versiones 3.6 y 3.6.1, permiten a un atacante tipo \"man-in-the-middle\" omitir la autenticaci\u00f3n de certificados al emitir un certificado de servidor no relacionado usando el mismo nombre de host encontrado en la opci\u00f3n verify-x509-name en la configuraci\u00f3n de un cliente"}], "lastModified": "2024-11-21T06:21:48.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openvpn:openvpn:3.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2003E88A-EC3B-48F8-9E89-78CF2BBFFA4E"}, {"criteria": "cpe:2.3:a:openvpn:openvpn:3.6.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EEE05E9D-DFA1-4EEC-9530-3C5EBFA68F7C"}], "operator": "OR"}]}], "sourceIdentifier": "security@openvpn.net"}