cvedb.io
CVE-2021-3547
HIGH · CVSS 7.4
EPSS exploitation probability: 0%
Published 2021-07-12T11:15:08.233 · Last modified 2026-06-17T04:05:19.547

Summary

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.

Affected products

openvpn — openvpn

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.