CVE-2004-0590: Frees WAN

High severity, CVSS 10.0. EPSS: 2.8% chance of exploitation in the next 30 days.

FreeS/WAN 1.x and 2.x, and other related products including superfreeswan 1.x, openswan 1.x before 1.0.6, openswan 2.x before 2.1.4, and strongSwan before 2.1.3, allows remote attackers to authenticate using spoofed PKCS#7 certificates in which a self-signed certificate identifies an alternate Certificate Authority (CA) and spoofed issuer and subject.

Affected products

• Frees WAN Frees WAN: version 1 only; version 2 only
• Frees WAN Super Frees WAN: version 1 only
• Openswan Openswan: version 1 only; version 2 only
• Strongswan Strongswan: up to and including 2.1.2

Published 2004-12-06. Last modified 2026-06-16.