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CVE-2022-0547
Published: Mar 18, 2022
Modified: Nov 3, 2025
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | OpenVPN | affected version 2.1 until version 2.4.12 and 2.5.6. |
Weaknesses (CWE)
References
https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements
x_refsource_MISC
https://community.openvpn.net/openvpn/wiki/CVE-2022-0547
x_refsource_MISC
https://openvpn.net/community-downloads/
x_refsource_MISC
FEDORA-2022-7d46acce7c
vendor-advisory
x_refsource_FEDORA
FEDORA-2022-cb4c1146dc
vendor-advisory
x_refsource_FEDORA
[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update
mailing-list
x_refsource_MLIST
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