AUGUST 4, 2026
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Case File

CVE-2021-3547

HIGH · CVSS 7.4 EPSS 1.18%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-12 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-3547
Severity
HIGH
CVSS
7.4
EPSS
1.18%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)