CVE-2022-0547
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 3.6%
exploitation probability
3.6%top 11% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
n/a · OpenVPNReferences
https://community.openvpn.net/openvpn/wiki/CVE-2022-0547https://community.openvpn.net/openvpn/wiki/SecurityAnnouncementshttps://lists.debian.org/debian-lts-announce/2022/05/msg00002.htmlhttps://lists.debian.org/debian-lts-announce/2025/03/msg00005.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GFXJ35WKPME4HYNQCQNAJHLCZOJL2SAE/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R36OYC5SJ6FLPVAYJYYT4MOJ2I7MGYFF/https://openvpn.net/community-downloads/