CVE-2012-3371: Openstack Compute

Low severity, CVSS 3.5. EPSS: 1.9% chance of exploitation in the next 30 days.

The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.

Affected products

• Openstack Compute: version 2012.2 only
• Openstack Essex: version 2012.1 only
• Openstack Folsom: version 2012.2 only

Published 2012-07-17. Last modified 2026-06-16.