CVE-2005-3666: Internet Key Exchange

High severity, CVSS 10.0. EPSS: 3.4% chance of exploitation in the next 30 days.

Multiple unspecified format string vulnerabilities in multiple unspecified implementations of Internet Key Exchange version 1 (IKEv1) have multiple unspecified attack vectors and impacts, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of information in the original sources, it is likely that this candidate will be REJECTed once it is known which implementations are actually vulnerable.

Affected products

• Internet Key Exchange Internet Key Exchange: version 1 only

Published 2005-11-18. Last modified 2026-06-16.