CVE-2013-1241 Denial of service in n/a
Remote authenticated users can cause a denial of service on Cisco IOS ISR G2 routers by sending malformed authentication-header packets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2013-1241?
CVE-2013-1241 is a medium-severity denial of service vulnerability in Cisco Ios, published on 8 May 2013. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header packets, which allows remote authenticated users to cause a denial of service (module reload) via a series of malformed packets, aka Bug ID CSCub92025.
Weakness: CWE-287
Which versions are affected by CVE-2013-1241?
It affects 27 products.
Products include Cisco 1921 Integrated Services Router, Cisco 1941 Integrated Services Router, Cisco 1941w Integrated Services Router, Cisco 2901 Integrated Services Router, Cisco 2911 Integrated Services Router, Cisco 2921 Integrated Services Router and 21 more.
How do I fix CVE-2013-1241?
No fix has been published for CVE-2013-1241 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-2013-1241 being exploited?
There is no known exploitation of CVE-2013-1241 in the wild and no public exploit code.
Sources
Also known as GHSA-57m6-vp8v-97x6.