CVE-2020-15078

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.

Published: Apr 26, 2021
Updated: Apr 13, 2023
CVE: CVE-2020-15078
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2:

Severity: Medium
Score: 5
AV:N/AC:L/Au:N/C:P/I:N/A:N

CWEs:

CWE-306

Affected Software
References

Software	From	Fixed in
openvpn / openvpn	-	2.4.11
openvpn / openvpn	2.5.0	2.5.2
fedoraproject / fedora	32	32.x
fedoraproject / fedora	33	33.x
fedoraproject / fedora	34	34.x
canonical / ubuntu_linux	18.04	18.04.x
canonical / ubuntu_linux	20.04	20.04.x
canonical / ubuntu_linux	20.10	20.10.x
canonical / ubuntu_linux	21.04	21.04.x
debian / debian_linux	9.0	9.0.x

https://community.openvpn.net/openvpn/wiki/CVE-2020-15078
https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html
https://lists.fedoraproject.org/archives/list/[email protected]/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/
https://lists.fedoraproject.org/archives/list/[email protected]/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/
https://lists.fedoraproject.org/archives/list/[email protected]/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/
https://security.gentoo.org/glsa/202105-25
https://usn.ubuntu.com/usn/usn-4933-1

Vulnerability Database

289,599

CVE-2020-15078