CVE-2012-2469

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-08-06 · updated 2026-06-16

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

Cisco Nexus 7000: all versions
Cisco Nexus 7000 10-Slot: all versions
Cisco Nexus 7000 18-Slot: all versions
Cisco Nexus 7000 9-Slot: all versions
Cisco NX-OS: 4.2, 5.0, 5.1, 5.2

References

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
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
http://www.securitytracker.com/id?1027352

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