CVE-2011-4023
Memory leak in libcmd in Cisco NX-OS 5.0 on Nexus switches allows remote authenticated users to...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-4023- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4023- Updated
- 2026-11-02
EUVDEUVD-2011-3976 No score
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.
- Record
EUVD-2011-3976- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8pjj-qqj4-3q78 No score
Memory leak in libcmd in Cisco NX-OS 5.0 on Nexus switches allows remote authenticated users to...
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.
- Record
GHSA-8pjj-qqj4-3q78- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4023 is a high vulnerability (CVSS 7.8) in Cisco Nx-os, published May 3, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. No source names a fixed version.