CVE-2011-4023

highpriority · track · 31EPSS 0.013 · 71 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.31% (71st) EPSS

CVSS 7.8 · high

Is it mine?

28 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v2.06.6mediumAV:N/AC:L/Au:N/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

affected products (28)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco nexus 2148t fex switchall versionsnvdUScpe:2.3:h:cisco:nexus_2148t_fex_switch:*:*:*:*:*:*:*:*
cisco nexus 2224tp fex switchall versionsnvdUScpe:2.3:h:cisco:nexus_2224tp_fex_switch:*:*:*:*:*:*:*:*
cisco nexus 2232pp fex switchall versionsnvdUScpe:2.3:h:cisco:nexus_2232pp_fex_switch:*:*:*:*:*:*:*:*
cisco nexus 2232tm fex switchall versionsnvdUScpe:2.3:h:cisco:nexus_2232tm_fex_switch:*:*:*:*:*:*:*:*
cisco nexus 2248tp e fex switchall versionsnvdUScpe:2.3:h:cisco:nexus_2248tp_e_fex_switch:*:*:*:*:*:*:*:*
cisco nexus 2248tp fex switchall versionsnvdUScpe:2.3:h:cisco:nexus_2248tp_fex_switch:*:*:*:*:*:*:*:*
cisco nexus 5010p switchall versionsnvdUScpe:2.3:h:cisco:nexus_5010p_switch:*:*:*:*:*:*:*:*
cisco nexus 5020p switchall versionsnvdUScpe:2.3:h:cisco:nexus_5020p_switch:*:*:*:*:*:*:*:*
cisco nexus 5548pall versionsnvdUScpe:2.3:h:cisco:nexus_5548p:*:*:*:*:*:*:*:*
cisco nexus 5548upall versionsnvdUScpe:2.3:h:cisco:nexus_5548up:*:*:*:*:*:*:*:*
cisco nexus 5596upall versionsnvdUScpe:2.3:h:cisco:nexus_5596up:*:*:*:*:*:*:*:*
cisco nx-os= 5.0nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
cisco nx-os= 5.0(2)nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
cisco nx-os= 5.0(2)n1(1)nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
cisco nx-os= 5.0(2)n2(1)nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
cisco nx-os= 5.0(2)n2(1a)nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
cisco nx-os= 5.0(2a)nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
cisco nx-os= 5.0(3)nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
cisco nx-os= 5.0(3)n1(1)nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*

showing 20 of 28

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2012-05-03modified 2026-06-16

related (3,726)

Related entries.

ID	severity	EPSS	exploitable	published
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CVE-2018-0179US	medium5.9OT critical	4.93% (92nd)	KEV	2018-03-28
Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected sy…
CVE-2018-0161US	medium6.3OT critical	4.12% (91st)	KEV	2018-03-28
A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software running on certain models of Cisco Catalyst Switches could allow an authenticated,…
CVE-2018-0156US	high7.5OT critical	9.36% (95th)	KEV	2018-03-28
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected devi…
CVE-2018-0154US	high7.5OT critical	7.07% (94th)	KEV	2018-03-28
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a…

+3721 more

references (3)

External citations — patches, advisories, analysis.

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