CVE-2005-3669 Denial of service in n/a
Remote attackers can cause a denial of service via malformed IKEv1 packets, affecting Cisco network devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2005-3669?
CVE-2005-3669 is a medium-severity denial of service vulnerability in Cisco Adaptive Security Appliance Software, published on 18 Nov 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2005-3669?
It affects 8 products.
Products include Cisco Adaptive Security Appliance Software, Cisco Firewall Services Module, Cisco Ios, Cisco Mds 9000, Cisco Mds 9000 San-Os, Cisco Pix Firewall and 2 more.
How do I fix CVE-2005-3669?
No fix has been published for CVE-2005-3669 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2005-3669 being exploited?
There is no known exploitation of CVE-2005-3669 in the wild and no public exploit code.
Other vulnerabilities in Cisco Adaptive Security Appliance Software
- CVE-2025-20333 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow
- CVE-2016-6366 Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow
- CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection
- CVE-2024-20353 Cisco ASA and FTD Denial of Service
- CVE-2016-6367 Cisco Adaptive Security Appliance (ASA) CLI Remote Code Execution
All Cisco Adaptive Security Appliance Software vulnerabilities
Sources
Also known as GHSA-9rhg-v3xc-rfjw.