Cisco Nexus 1000V VSM/VEM Heartbeat Denial of Service (CVE-2013-1213)

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...