CVE-2012-3542: Openstack Essex

Medium severity, CVSS 4.3. EPSS: 2.5% chance of exploitation in the next 30 days.

OpenStack Keystone, as used in OpenStack Folsom before folsom-rc1 and OpenStack Essex (2012.1), allows remote attackers to add an arbitrary user to an arbitrary tenant via a request to update the user's default tenant to the administrative API. NOTE: this identifier was originally incorrectly assigned to an open redirect issue, but the correct identifier for that issue is CVE-2012-3540.

Affected products

• Openstack Essex: version 2012.1 only
• Openstack Horizon: version folsom-3 only

Published 2012-09-05. Last modified 2026-06-16.