CVEvulnerability
CVE-2020-15078
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-305, CWE-306
Description
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.
Affected configurations
• openvpn openvpn (< 2.4.11)
• openvpn openvpn (>= 2.5.0 < 2.5.2)
• fedoraproject fedora 32
• fedoraproject fedora 33
• fedoraproject fedora 34
• canonical ubuntu linux 18.04
• canonical ubuntu linux 20.04
• canonical ubuntu linux 20.10
• canonical ubuntu linux 21.04
• debian debian linux 9.0
Related
References
- https://community.openvpn.net/openvpn/wiki/CVE-2020-15078 Patch, Vendor Advisory
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements Broken Link
- https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202105-25 Third Party Advisory
- https://usn.ubuntu.com/usn/usn-4933-1 Third Party Advisory
- https://community.openvpn.net/openvpn/wiki/CVE-2020-15078 Patch, Vendor Advisory
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements Broken Link
- https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202105-25 Third Party Advisory
- https://usn.ubuntu.com/usn/usn-4933-1 Third Party Advisory