CVE-2005-3669

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-11-18 · updated 2026-06-16

Description

Multiple unspecified vulnerabilities in the Internet Key Exchange version 1 (IKEv1) implementation in multiple Cisco products allow remote attackers to cause a denial of service (device reset) via certain malformed IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the Cisco advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.

Affected products

Cisco ASA Software: 7.0
Cisco Firewall Services Module: 1.1.2, 1.1.3, 1.1_(3.005), 2.1_(0.208)
Cisco IOS: 12.2sxd, 12.3t, 12.3tpc, 12.3xd, 12.3xe, 12.3xf (+31)
Cisco Mds 9000: all versions
Cisco Mds 9000 San-Os: 1.3(3.33), 1.3(4a), 2.0(0.86)
Cisco Pix Firewall: 6.2.2_.111, 6.2.3_(110), 6.3.3_(133)
Cisco Pix Firewall Software: 2.7, 3.0, 3.1, 4.0, 4.1(6), 4.1(6b) (+49)
Cisco Vpn 3000 Concentrator Series Software: 2.0, 2.5.2.a, 2.5.2.b, 2.5.2.c, 2.5.2.d, 2.5.2.f (+27)

References

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