CVE-2012-2469 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco Nexus switches by sending malformed CDP packets when High Availability Reset policy is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2012-2469?
CVE-2012-2469 is a high-severity denial of service vulnerability in Cisco Nx-Os, published on 6 Aug 2012. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Cisco NX-OS 4.2, 5.0, 5.1, and 5.2 on Nexus 7000 series switches, when the High Availability (HA) policy is configured for Reset, allows remote attackers to cause a denial of service (device reset) via a malformed Cisco Discovery Protocol (CDP) packet, aka Bug IDs CSCtk34535 and CSCtk19132.
Which versions are affected by CVE-2012-2469?
It affects 5 products.
Products include Cisco Nexus 7000, Cisco Nexus 7000 10-Slot, Cisco Nexus 7000 18-Slot, Cisco Nexus 7000 9-Slot, Cisco Nx-Os.
How do I fix CVE-2012-2469?
No fix has been published for CVE-2012-2469 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-2012-2469 being exploited?
There is no known exploitation of CVE-2012-2469 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-2g25-w549-jjvc.