CVE-2013-1209: Cisco NX-OS

Medium severity, CVSS 5.0. EPSS: 1.1% chance of exploitation in the next 30 days.

The encryption functionality in the Virtual Supervisor Module (VSM) to Virtual Ethernet Module (VEM) communication component in Cisco NX-OS on the Nexus 1000V does not properly authenticate VSM/VEM packets, which allows remote attackers to disable packet-level encryption and integrity protection via crafted packets, aka Bug ID CSCud14710.

Affected products

• Cisco NX-OS: affected versions not specified

Published 2013-05-29. Last modified 2026-06-16.