CVE-2013-4185: Openstack Compute

Medium severity, CVSS 4.0. EPSS: 2.1% chance of exploitation in the next 30 days.

Algorithmic complexity vulnerability in OpenStack Compute (Nova) before 2013.1.3 and Havana before havana-3 does not properly handle network source security group policy updates, which allows remote authenticated users to cause a denial of service (nova-network consumption) via a large number of server-creation operations, which triggers a large number of update requests.

Affected products

• Openstack Compute: from 2013.1, before 2013.1.3 (fixed in 2013.1.3); from 2013.2, before 2013.2.3 (fixed in 2013.2.3)
• Red Hat Openstack: version 3.0 only

Published 2013-10-29. Last modified 2026-06-16.