CVE-2013-0335: Canonical Ubuntu Linux

High severity, CVSS 7.6. EPSS: 2.1% chance of exploitation in the next 30 days.

OpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to gain access to a VM in opportunistic circumstances by using the VNC token for a deleted VM that was bound to the same VNC port.

Affected products

• Canonical Ubuntu Linux: version 11.10 only; version 12.04 only; version 12.10 only
• Openstack Essex: version 2012.1 only
• Openstack Folsom: version 2012.2 only
• Openstack Grizzly: version 2012.2 only

Published 2013-03-22. Last modified 2026-07-31.