CVE-2012-2388: Strongswan

High severity, CVSS 7.5. EPSS: 3.3% chance of exploitation in the next 30 days.

The GMP Plugin in strongSwan 4.2.0 through 4.6.3 allows remote attackers to bypass authentication via a (1) empty or (2) zeroed RSA signature, aka "RSA signature verification vulnerability."

Affected products

• Strongswan Strongswan: version 4.2.0 only; version 4.2.1 only; version 4.2.2 only; version 4.2.3 only; version 4.2.4 only; version 4.2.5 only; …

Published 2012-06-27. Last modified 2026-06-16.