CVE-2012-2469 — 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

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HIGH

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

Published Aug 6, 2012

7.8

HIGH

CVSS 2.0

EPSS 1.80%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.80% 0.01801

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01801

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.80% (0.01801)	77.71th	v5 (v2026.06.15)
Jun 15, 2026	1.80% (0.01801)	75.59th	v5 (v2026.06.15)
Mar 17, 2025	0.60% (0.00602)	67.66th	v4 (v2025.03.14)
Dec 12, 2024	0.56% (0.00563)	78.47th	v3 (v2023.03.01)
Feb 8, 2024	0.56% (0.00563)	77.04th	v3 (v2023.03.01)
Mar 7, 2023	0.56% (0.00563)	74.33th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

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

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

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Aug 6, 2012

Updated Aug 6, 2024

Reserved May 7, 2012

Link CVE-2012-2469

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-2469

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-2469