CVE-2012-5571

CVE-2012-5571 · Openstack keystone: openstack keystone: authorization bypass via improper ec2 token handling

This page contains facts from public vulnerability sources. Check the original advisory before updating.

A flaw was found in OpenStack Keystone. This vulnerability allows remote authenticated users to bypass intended authorization restrictions. This occurs because OpenStack Keystone does not properly handle EC2 (Elastic Compute Cloud) tokens when a user's role has been removed from a tenant. An attacker can leverage a token associated with a removed user role to gain unauthorized access.

CVSS 5.4 · Medium · EPSS 2.1% · Fix available

Published

2012-12-18T01:00:00.000Z

Updated

2026-04-07T06:55:17.789Z

Stack: system · python

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