CVE-2011-4023

Name: CVE-2011-4023
Creator: NVD / NIST
Published: 2012-05-03T10:11:39.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.33%

Last modified Jun 16, 2026

CVE-2011-4023 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.33%

67.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Cisco	Nx-Os	5.0
Cisco	Nx-Os	5.0\(2\)
Cisco	Nx-Os	5.0\(2\)n1\(1\)
Cisco	Nx-Os	5.0\(2\)n2\(1\)
Cisco	Nx-Os	5.0\(2\)n2\(1a\)
Cisco	Nx-Os	5.0\(2a\)
Cisco	Nx-Os	5.0\(3\)
Cisco	Nx-Os	5.0\(3\)n1\(1\)
Cisco	Nx-Os	5.0\(3\)n1\(1a\)
Cisco	Nx-Os	5.0\(3\)n1\(1b\)
Cisco	Nx-Os	5.0\(3\)n1\(1c\)
Cisco	Nx-Os	5.0\(3\)n2\(1\)
Cisco	Nx-Os	5.0\(3\)n2\(2\)
Cisco	Nx-Os	5.0\(3\)n2\(2a\)
Cisco	Nx-Os	5.0\(3\)n2\(2b\)
Cisco	Nx-Os	5.0\(5\)
Cisco	Nexus 2148t Fex Switch	All versions
Cisco	Nexus 2224tp Fex Switch	All versions
Cisco	Nexus 2232pp Fex Switch	All versions
Cisco	Nexus 2232tm Fex Switch	All versions
Cisco	Nexus 2248tp E Fex Switch	All versions
Cisco	Nexus 2248tp Fex Switch	All versions
Cisco	Nexus 5010p Switch	All versions
Cisco	Nexus 5020p Switch	All versions
Cisco	Nexus 5548p	All versions
Cisco	Nexus 5548up	All versions
Cisco	Nexus 5596up	All versions

References

Timeline

Published: May 3, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4023?

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.

How severe is CVE-2011-4023?

Severity scoring for CVE-2011-4023 is pending analysis. The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4023?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4023?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST