CVE-2011-4023 Denial of service in n/a
Remote authenticated users can cause a denial of service via SNMP requests due to a memory leak in Cisco NX-OS.
- 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-2011-4023?
CVE-2011-4023 is a high-severity denial of service vulnerability in Cisco Nx-Os, published on 3 May 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Memory leak in libcmd in Cisco NX-OS 5.0 on Nexus switches allows remote authenticated users to cause a denial of service (memory consumption) via SNMP requests, aka Bug ID CSCtr65682.
Weakness: CWE-399
Which versions are affected by CVE-2011-4023?
It affects 12 products.
Products include Cisco Nexus 2148t Fex Switch, Cisco Nexus 2224tp Fex Switch, Cisco Nexus 2232pp Fex Switch, Cisco Nexus 2232tm Fex Switch, Cisco Nexus 2248tp E Fex Switch, Cisco Nexus 2248tp Fex Switch and 6 more.
How do I fix CVE-2011-4023?
No fix has been published for CVE-2011-4023 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-2011-4023 being exploited?
There is no known exploitation of CVE-2011-4023 in the wild and no public exploit code.
Sources
Also known as GHSA-8pjj-qqj4-3q78.