CVE-2012-2654: Openstack Compute

Medium severity, CVSS 4.3. EPSS: 2.6% chance of exploitation in the next 30 days.

The (1) EC2 and (2) OS APIs in OpenStack Compute (Nova) Folsom (2012.2), Essex (2012.1), and Diablo (2011.3) do not properly check the protocol when security groups are created and the network protocol is not specified entirely in lowercase, which allows remote attackers to bypass intended access restrictions.

Affected products

• Openstack Compute: version 2012.2 only
• Openstack Diablo: version 2011.3 only
• Openstack Essex: version 2012.1 only

Published 2012-06-21. Last modified 2026-06-16.