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Vulnerability record · CVE-2012-2469 · published 6 August 2012

CVE-2012-2469: Cisco nx-os vulnerability

Cisco · Nx Os

Cisco NX-OS 4.2, 5.0, 5.1, and 5.2 on Nexus 7000 series switches, when the High Availability (HA) policy is configured for Reset, allows remote attackers to cause a denial of service (device reset) via a malformed Cisco Discovery Protocol (CDP) packet, aka Bug IDs CSCtk34535 and CSCtk19132.

7.8 CVSS 2.0 High EPSS 1.8% · top 22.4%
7.8CVSS 2.0 base score
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Cisco NX-OS 4.2, 5.0, 5.1, and 5.2 on Nexus 7000 series switches, when the High Availability (HA) policy is configured for Reset, allows remote attackers to cause a denial of service (device reset) via a malformed Cisco Discovery Protocol (CDP) packet, aka Bug IDs CSCtk34535 and CSCtk19132.

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

Affected products

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

References

LinkTags
http://www.4salesbyself.com/troubleshooting-random-nexus-reboots.aspx
http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/release/notes/52_nx-os_release_note.html Vendor Advisory
http://www.securitytracker.com/id?1027352
http://www.4salesbyself.com/troubleshooting-random-nexus-reboots.aspx
http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/release/notes/52_nx-os_release_note.html Vendor Advisory
http://www.securitytracker.com/id?1027352

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-2469), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.