UpHeron
All vulnerabilities

Servers and applications

CVE-2021-3606

OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process (openvpn.exe).

Severity
High 7.8
Published
2 Jul 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.5.3
Sources
NVD

Affected software

SoftwareAffected versions
OpenVPNServers and applications · cpe:a:openvpn:openvpn
  • Every version before 2.5.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-3606
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-3606