cve-2020-15077
Vulnerability from cvelistv5
Published
2021-06-04 10:42
Modified
2024-08-04 13:08
Severity ?
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.
Impacted products
Vendor Product Version
n/a OpenVPN Access Server Version: 2.8.7 and earlier versions
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:08:21.878Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://openvpn.net/vpn-server-resources/release-notes/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OpenVPN Access Server",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.8.7 and earlier versions"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-305",
              "description": "CWE-305: Authentication Bypass by Primary Weakness",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-04T10:42:01",
        "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
        "shortName": "OpenVPN"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://openvpn.net/vpn-server-resources/release-notes/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@openvpn.net",
          "ID": "CVE-2020-15077",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "OpenVPN Access Server",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "2.8.7 and earlier versions"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-305: Authentication Bypass by Primary Weakness"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://openvpn.net/vpn-server-resources/release-notes/",
              "refsource": "MISC",
              "url": "https://openvpn.net/vpn-server-resources/release-notes/"
            },
            {
              "name": "https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/",
              "refsource": "MISC",
              "url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
    "assignerShortName": "OpenVPN",
    "cveId": "CVE-2020-15077",
    "datePublished": "2021-06-04T10:42:01",
    "dateReserved": "2020-06-25T00:00:00",
    "dateUpdated": "2024-08-04T13:08:21.878Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*\", \"versionEndIncluding\": \"2.8.7\", \"matchCriteriaId\": \"FFB7CAB1-ECA3-4F8F-9DFD-048BD7ABE8E0\"}]}]}]",
      "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": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.6, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:S/C:P/I:N/A:N\", \"baseScore\": 3.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"LOW\", \"exploitabilityScore\": 6.8, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-06-04T11:15:07.697",
      "references": "[{\"url\": \"https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/\", \"source\": \"security@openvpn.net\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://openvpn.net/vpn-server-resources/release-notes/\", \"source\": \"security@openvpn.net\", \"tags\": [\"Release Notes\", \"Vendor Advisory\"]}, {\"url\": \"https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://openvpn.net/vpn-server-resources/release-notes/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "security@openvpn.net",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"security@openvpn.net\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-305\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-287\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-15077\",\"sourceIdentifier\":\"security@openvpn.net\",\"published\":\"2021-06-04T11:15:07.697\",\"lastModified\":\"2024-11-21T05:04:45.767\",\"vulnStatus\":\"Modified\",\"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\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.6,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:S/C:P/I:N/A:N\",\"baseScore\":3.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":6.8,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@openvpn.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-305\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.8.7\",\"matchCriteriaId\":\"FFB7CAB1-ECA3-4F8F-9DFD-048BD7ABE8E0\"}]}]}],\"references\":[{\"url\":\"https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/\",\"source\":\"security@openvpn.net\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://openvpn.net/vpn-server-resources/release-notes/\",\"source\":\"security@openvpn.net\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://openvpn.net/security-advisory/access-server-security-update-cve-2020-15077/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://openvpn.net/vpn-server-resources/release-notes/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.