Description
OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a OpenVPN
version 2.1 until version 2.4.12 and 2.5.6.affected
References
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements ↗
- https://community.openvpn.net/openvpn/wiki/CVE-2022-0547 ↗
- https://openvpn.net/community-downloads/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R36OYC5SJ6FLPVAYJYYT4MOJ2I7MGYFF/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GFXJ35WKPME4HYNQCQNAJHLCZOJL2SAE/ ↗
- https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html ↗
- https://lists.debian.org/debian-lts-announce/2025/03/msg00005.html ↗