| Name | CVE-2021-3547 |
| Description | OpenVPN 3 Core Library version 3.6 and 3.6.1 allows a man-in-the-middle attacker to bypass the certificate authentication by issuing an unrelated server certificate using the same hostname found in the verify-x509-name option in a client configuration. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| openvpn3-client | source | (unstable) | (not affected) | | | |
Notes
- openvpn3-client <not-affected> (Fixed before initial upload to the archive)
https://community.openvpn.net/openvpn/wiki/CVE-2021-3547
https://github.com/OpenVPN/openvpn3/commit/febf01ef68b84f1579684224c80149138b6d2dcc (release/3.6.2)
https://github.com/OpenVPN/openvpn3/commit/11f964076d1c8c394f679b00a0242424a98b88d8 (release/3.6.2)