CVE-2011-4023
No known exploitation. EPSS puts it in the 70th percentile. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
1.3% chance of exploitation activity in the next 30 days, which ranks it in the 70th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
3 events over 5109 days, from the signal feeds we watch.
- Record updated
- Publishedweakness classified
Affected products
- nx-osNetworking Infrastructure
- nexus 2148t fex switchNetworking Infrastructure
- nexus 2224tp fex switchNetworking Infrastructure
- nexus 2232pp fex switchNetworking Infrastructure
- nexus 2232tm fex switchNetworking Infrastructure
- nexus 2248tp e fex switchNetworking Infrastructure
- nexus 2248tp fex switchNetworking Infrastructure
- nexus 5010p switchNetworking Infrastructure
And 5 more affected products. See all after sign-in
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:N/AC:L/Au:N/C:N/I:N/A:C
Scored 7.8 by NVD.
How it is reached
- Access Vector NetworkExploitable remotely over the network
- Access Complexity LowNo special conditions required
- Authentication NoneNo authentication required
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability CompleteTotal shutdown of the affected resource
Weaknesses
Sources
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