CVE-2005-3669
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- EPSS score
- 5.2% (92th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2005-3666)
- Published
- November 18, 2005
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2005-3666 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / adaptive security appliance software
- cisco / firewall services module
- cisco / firewall services module
- cisco / firewall services module
- cisco / firewall services module
- cisco / firewall services module
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / mds 9000
- cisco / mds 9000 san-os
- cisco / mds 9000 san-os
- cisco / mds 9000 san-os
- cisco / pix firewall
- cisco / pix firewall
- cisco / pix firewall
and 88 more…
Certified products that may be affected
2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Cisco Firewall Services Module (FWSM) Version 3.1.(3.17) for: Cisco Catalyst 6500 Switches and Cisco 7600 Series routers - Cisco Systems, Inc. - Common Criteria CCEVS-VR-0027-2007 - archived
- VPN 3000 Concentrator Series - Cisco Systems, Inc. - FIPS 140 210 - historical
References
- http://jvn.jp/niscc/NISCC-273756/index.html
- http://secunia.com/advisories/17553
- http://securitytracker.com/id?1015198
- http://securitytracker.com/id?1015199
- http://securitytracker.com/id?1015200
- http://securitytracker.com/id?1015201
- http://securitytracker.com/id?1015202
- http://www.cisco.com/warp/public/707/cisco-sa-20051114-ipsec.shtml(Vendor Advisory)
- http://www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp/
- http://www.kb.cert.org/vuls/id/226364(Third Party Advisory, US Government Resource)
- http://www.niscc.gov.uk/niscc/docs/br-20051114-01013.html?lang=en(Vendor Advisory)
- http://www.securityfocus.com/bid/15401
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5226
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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