CVE-2013-1211: Cisco NX-OS

Medium severity, CVSS 5.0. EPSS: 1.6% chance of exploitation in the next 30 days.

Cisco NX-OS on the Nexus 1000V does not properly handle authentication for Virtual Ethernet Module (VEM) to Virtual Supervisor Module (VSM) communication, which allows remote attackers to obtain VEM access via (1) spoofed STUN packets or (2) a crafted VMware ESXi instance, aka Bug ID CSCud14832.

Affected products

• Cisco NX-OS: affected versions not specified

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