CVSS 3.1
7.4 highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NCVE-2021-3547
High (7.4) in openvpn openvpn. EPSS 1.2% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-295, CWE-305
- Published
- Modified
- Record from
- the NVD, synced
Affected
- openvpn:openvpn