CVE-2013-1213: Cisco Nexus 1000v
Medium severity, CVSS 5.0. EPSS: 1.8% chance of exploitation in the next 30 days.
Cisco NX-OS on the Nexus 1000V does not assign the proper priority to heartbeat messages from a Virtual Ethernet Module (VEM) to a Virtual Supervisor Module (VSM), which allows remote attackers to cause a denial of service (false VEM unavailability report) via a flood of UDP packets, aka Bug ID CSCud14840.
Affected products
Published 2013-05-29. Last modified 2026-06-16.