FKIE_CVE-2020-15077

Vulnerability from fkie_nvd - Published: 2021-06-04 11:15 - Updated: 2024-11-21 05:04
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
OpenVPN Access Server 2.8.7 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
References
security@openvpn.nethttps://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/Vendor Advisory
security@openvpn.nethttps://openvpn.net/vpn-server-resources/release-notes/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://openvpn.net/vpn-server-resources/release-notes/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
openvpn openvpn_access_server *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FFB7CAB1-ECA3-4F8F-9DFD-048BD7ABE8E0",
              "versionEndIncluding": "2.8.7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenVPN Access Server 2.8.7 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks."
    },
    {
      "lang": "es",
      "value": "OpenVPN Access Server versiones 2.8.7 y anteriores, permiten a atacantes remotos omitir la autenticaci\u00f3n y los datos del canal de control de acceso en servidores configurados con autenticaci\u00f3n diferida, que puede ser usado para desencadenar potencialmente nuevos filtrados de informaci\u00f3n"
    }
  ],
  "id": "CVE-2020-15077",
  "lastModified": "2024-11-21T05:04:45.767",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 3.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-04T11:15:07.697",
  "references": [
    {
      "source": "security@openvpn.net",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/"
    },
    {
      "source": "security@openvpn.net",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://openvpn.net/vpn-server-resources/release-notes/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://openvpn.net/vpn-server-resources/release-notes/"
    }
  ],
  "sourceIdentifier": "security@openvpn.net",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-305"
        }
      ],
      "source": "security@openvpn.net",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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