CVE-2014-2124 Denial of service in n/a
Remote attackers can crash Cisco Catalyst 6500 devices with Supervisor Engine 2T by sending crafted multicast packets, causing a denial of service.
- 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-2014-2124?
CVE-2014-2124 is a high-severity denial of service vulnerability in Cisco Ios, published on 20 Mar 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS 15.1(2)SY3 and earlier, when used with Supervisor Engine 2T (aka Sup2T) on Catalyst 6500 devices, allows remote attackers to cause a denial of service (device crash) via crafted multicast packets, aka Bug ID CSCuf60783.
Weakness: CWE-399
Which versions are affected by CVE-2014-2124?
It affects 2 products.
Products include Cisco Catalyst 6500, Cisco Ios.
How do I fix CVE-2014-2124?
No fix has been published for CVE-2014-2124 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-2014-2124 being exploited?
There is no known exploitation of CVE-2014-2124 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
Sources
Also known as GHSA-f77j-4prj-h765.