CVE-2013-4294: Openstack Keystone

Medium severity, CVSS 5.0. EPSS: 2.7% chance of exploitation in the next 30 days.

The (1) mamcache and (2) KVS token backends in OpenStack Identity (Keystone) Folsom 2012.2.x and Grizzly before 2013.1.4 do not properly compare the PKI token revocation list with PKI tokens, which allow remote attackers to bypass intended access restrictions via a revoked PKI token.

Affected products

• Openstack Keystone: version 2012.2 only; version 2012.2.1 only; version 2012.2.2 only; version 2012.2.3 only; version 2012.2.4 only; version 2013.1 only; …

Published 2013-09-23. Last modified 2026-06-16.