Vulnerability Details CVE-2021-3547
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.3%
CVSS Severity
CVSS v3 Score 7.4
CVSS v2 Score 5.8
Products affected by CVE-2021-3547
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cpe:2.3:a:openvpn:openvpn:3.6
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cpe:2.3:a:openvpn:openvpn:3.6.1