CVE-2014-2154 Denial of service in n/a
Remote attackers can cause denial of service in Cisco ASA firewalls by sending crafted SIP packets that trigger a memory leak.
- 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-2014-2154?
CVE-2014-2154 is a medium-severity denial of service vulnerability in Cisco Adaptive Security Appliance Software, published on 23 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memory leak in the SIP inspection engine in Cisco Adaptive Security Appliance (ASA) Software allows remote attackers to cause a denial of service (memory consumption and instability) via crafted SIP packets, aka Bug ID CSCuf67469.
Weakness: CWE-399
Which versions are affected by CVE-2014-2154?
It affects 1 product.
Products include Cisco Adaptive Security Appliance Software.
How do I fix CVE-2014-2154?
No fix has been published for CVE-2014-2154 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-2014-2154 being exploited?
There is no known exploitation of CVE-2014-2154 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-5wm8-g4x2-j62m.