CVE-2014-2109 Denial of service in n/a
Remote attackers can cause denial of service via crafted TCP packets in Cisco IOS when NAT is enabled.
- 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-2014-2109?
CVE-2014-2109 is a high-severity denial of service vulnerability in Cisco Ios, published on 27 Mar 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The TCP Input module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted TCP packets, aka Bug IDs CSCuh33843 and CSCuj41494.
Weakness: CWE-20
Which versions are affected by CVE-2014-2109?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2014-2109?
No fix has been published for CVE-2014-2109 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-2014-2109 being exploited?
There is no known exploitation of CVE-2014-2109 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-6p6v-7hf9-h7jf.