nvd-json-data-feeds/CVE-2021/CVE-2021-35xx/CVE-2021-3547.json

{
  "id": "CVE-2021-3547",
  "sourceIdentifier": "security@openvpn.net",
  "published": "2021-07-12T11:15:08.233",
  "lastModified": "2022-10-27T12:22:43.533",
  "vulnStatus": "Analyzed",
  "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"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 7.4,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    },
    {
      "source": "security@openvpn.net",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-305"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:3.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "2003E88A-EC3B-48F8-9E89-78CF2BBFFA4E"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:3.6.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "EEE05E9D-DFA1-4EEC-9530-3C5EBFA68F7C"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2021-3547",
      "source": "security@openvpn.net",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements",
      "source": "security@openvpn.net",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}