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Vulnerability record · CVE-2011-4023 · published 3 May 2012

CVE-2011-4023: Cisco nx-os vulnerability

Cisco · Nx Os

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.

7.8 CVSS 2.0 High EPSS 1.3% · top 30.4% CWE-399 · CWE-399
7.8CVSS 2.0 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
12Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

12 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/release/notes/Rel_5_0_3_N2_1/Nexus5000_Release_Notes_5_
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/release/notes/Rel_5_0_3_N2_1/Nexus5000_Release_Notes_5_

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Source: NIST National Vulnerability Database (record CVE-2011-4023), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.