CVE catalog

CVE-2020-15078

openvpn affected and fixed versions

[CVE catalog]

OpenVPN 2.5.1 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.

Severity
High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
Source
[NVD] · [CVE record]
EPSS
4.91% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / releasePackageVersionStatusSource
Debiantrixie-securityopenvpn2.6.14-1+deb13u3Fixed[CVE-2020-15078]
Debiantrixieopenvpn2.5.1-2FixedDistribution-reported fixed boundary[CVE-2020-15078]
Debiantrixieopenvpn2.6.14-1+deb13u3Fixed[CVE-2020-15078]
Debiansidopenvpn2.5.1-2FixedDistribution-reported fixed boundary[CVE-2020-15078]
Debiansidopenvpn2.7.8-1Fixed[CVE-2020-15078]
Debianforkyopenvpn2.5.1-2FixedDistribution-reported fixed boundary[CVE-2020-15078]
Debianforkyopenvpn2.7.8-1Fixed[CVE-2020-15078]
Debianbookworm-securityopenvpn2.6.14-0+deb12u2Fixed[CVE-2020-15078]
Debianbookwormopenvpn2.5.1-2FixedDistribution-reported fixed boundary[CVE-2020-15078]
Debianbookwormopenvpn2.6.14-0+deb12u2Fixed[CVE-2020-15078]

Showing 10 fix observations. All 36 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence
Distribution / releasePackageVersionStatusSource
UnknownRelease not reportedopenvpn2.5.1-2UnknownSource applicability is not establishedProvider not reported
Alpine3.10openvpn2.4.11-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.11openvpn2.4.11-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.12openvpn2.4.11-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.13openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.14openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.15openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.16openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.17openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.18openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.19openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.20openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.21openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.22openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.23openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Alpine3.24openvpn2.5.2-r0UnknownSource applicability is not established[ALPINE-CVE-2020-15078]
Debianbookwormopenvpn2.5.1-2FixedDistribution-reported fixed boundary[CVE-2020-15078]
Debianbookwormopenvpn2.6.14-0+deb12u2Fixed[CVE-2020-15078]
Debianbookworm-securityopenvpn2.6.14-0+deb12u2Fixed[CVE-2020-15078]
Debianforkyopenvpn2.5.1-2FixedDistribution-reported fixed boundary[CVE-2020-15078]
Debianforkyopenvpn2.7.8-1Fixed[CVE-2020-15078]
Debiansidopenvpn2.5.1-2FixedDistribution-reported fixed boundary[CVE-2020-15078]
Debiansidopenvpn2.7.8-1Fixed[CVE-2020-15078]
Debiantrixieopenvpn2.5.1-2FixedDistribution-reported fixed boundary[CVE-2020-15078]
Debiantrixieopenvpn2.6.14-1+deb13u3Fixed[CVE-2020-15078]
Debiantrixie-securityopenvpn2.6.14-1+deb13u3Fixed[CVE-2020-15078]
Suselinux enterprise server 11-securityopenvpn-openssl12.3.2-0.10.9.1UnknownSource applicability is not established[SUSE-SU-2021:14723-1]
Ubuntu18.04openvpn2.4.3-4ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-15078]
Ubuntu18.04openvpn2.4.4-1ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-15078]
Ubuntu18.04openvpn2.4.4-2ubuntu1UnknownSource applicability is not established[UBUNTU-CVE-2020-15078]
Ubuntu18.04openvpn2.4.4-2ubuntu1.1UnknownSource applicability is not established[UBUNTU-CVE-2020-15078]
Ubuntu18.04openvpn2.4.4-2ubuntu1.2UnknownSource applicability is not established[UBUNTU-CVE-2020-15078]
Ubuntu18.04openvpn2.4.4-2ubuntu1.3UnknownSource applicability is not established[UBUNTU-CVE-2020-15078]
Ubuntu18.04openvpn2.4.4-2ubuntu1.5UnknownSource applicability is not established[UBUNTU-CVE-2020-15078]
Ubuntu20.04openvpn2.4.7-1ubuntu2UnknownSource applicability is not established[UBUNTU-CVE-2020-15078]
Ubuntu20.04openvpn2.4.7-1ubuntu2.20.04.2UnknownSource applicability is not established[UBUNTU-CVE-2020-15078]
Original provider fields
{
  "package_releases": [
    {
      "name": "openvpn",
      "status": "fixed",
      "release": "sid",
      "version": "2.7.8-1"
    },
    {
      "name": "openvpn",
      "status": "fixed",
      "release": "forky",
      "version": "2.7.8-1"
    },
    {
      "name": "openvpn",
      "status": "fixed",
      "release": "trixie",
      "version": "2.6.14-1+deb13u3"
    },
    {
      "name": "openvpn",
      "status": "fixed",
      "release": "trixie-security",
      "version": "2.6.14-1+deb13u3"
    },
    {
      "name": "openvpn",
      "status": "fixed",
      "release": "bookworm",
      "version": "2.6.14-0+deb12u2"
    },
    {
      "name": "openvpn",
      "status": "fixed",
      "release": "bookworm-security",
      "version": "2.6.14-0+deb12u2"
    }
  ],
  "fixed_versions": [
    {
      "bug": 987380,
      "name": "openvpn",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "2.5.1-2"
    },
    {
      "bug": 987380,
      "name": "openvpn",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "2.5.1-2"
    },
    {
      "bug": 987380,
      "name": "openvpn",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "2.5.1-2"
    },
    {
      "bug": 987380,
      "name": "openvpn",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "2.5.1-2"
    }
  ],
  "distribution_packages": [
    {
      "name": "openvpn",
      "fixed_version": "2.5.1-2",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.4.11-r0"
            }
          ]
        }
      ],
      "release": "3.10",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.4.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.4.11-r0"
            }
          ]
        }
      ],
      "release": "3.11",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.4.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.4.11-r0"
            }
          ]
        }
      ],
      "release": "3.12",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.4.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.13",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.14",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.15",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.16",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.17",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.18",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.19",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.20",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.21",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.22",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.23",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "2.5.2-r0"
            }
          ]
        }
      ],
      "release": "3.24",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-15078",
      "fixed_version": "2.5.2-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-15078",
      "provider_updated_at": "2026-10-26T11:17:55.129025268Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn-openssl1",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.2-0.10.9.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server 11-security",
      "versions": [],
      "ecosystem": "rpm",
      "provider_url": "https://osv.dev/vulnerability/SUSE-SU-2021:14723-1",
      "fixed_version": "2.3.2-0.10.9.1",
      "provider_source": "pypi",
      "provider_record_id": "SUSE-SU-2021:14723-1",
      "provider_updated_at": "2026-02-04T04:19:47.893267Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.4-2ubuntu1.5"
            }
          ]
        }
      ],
      "release": "18.04",
      "versions": [
        "2.4.3-4ubuntu1",
        "2.4.4-1ubuntu1",
        "2.4.4-2ubuntu1",
        "2.4.4-2ubuntu1.1",
        "2.4.4-2ubuntu1.2",
        "2.4.4-2ubuntu1.3"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-15078",
      "fixed_version": "2.4.4-2ubuntu1.5",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-15078",
      "provider_updated_at": "2026-02-04T02:55:38.625427Z",
      "applicability_unknown": true
    },
    {
      "name": "openvpn",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.7-1ubuntu2.20.04.2"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "2.4.7-1ubuntu2"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-15078",
      "fixed_version": "2.4.7-1ubuntu2.20.04.2",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-15078",
      "provider_updated_at": "2026-02-04T02:55:38.625427Z",
      "applicability_unknown": true
    }
  ]
}

[Debian bug #987380]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [openvpn]Unknown
    Details (4)

    • 2.6.14-0+deb12u2 · amd64 · bookworm

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · bookworm; dsa · openvpn · debian · 12

    • 2.6.14-0+deb12u2 · arm64 · bookworm

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · bookworm; dsa · openvpn · debian · 12

    • 2.6.14-0+deb12u2 · amd64 · bookworm-security

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · bookworm; dsa · openvpn · debian · 12

    • 2.6.14-0+deb12u2 · arm64 · bookworm-security

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · bookworm; dsa · openvpn · debian · 12

[Debian 13 (Trixie)]

  • [openvpn]Unknown
    Details (6)

    • 2.6.14-1+deb13u3 · amd64 · trixie

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · 13

    • 2.6.14-1+deb13u3 · arm64 · trixie

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · 13

    • 2.7.5-1~bpo13+1 · amd64 · trixie-backports

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · 13

    • 2.7.5-1~bpo13+1 · arm64 · trixie-backports

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · 13

    • 2.6.14-1+deb13u3 · amd64 · trixie-security

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · 13

    • 2.6.14-1+deb13u3 · arm64 · trixie-security

      Fixed · Fixed: 2.5.1-2

      dsa · openvpn · debian · 13

Observed:

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]