CVE-2012-5571
mediumA flaw was found in OpenStack Keystone.
Vendor / product: Openstack — essex
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
5.4 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2012-12-18 01:55
Modified: 2026-10-30 19:17
NVD status: Modified
Last synced 18 hours ago
Verified against the source API 2026-10-30 19:20 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
openstack / essex 2012.1
openstack / folsom 2012.2
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: http://secunia.com/advisories/51423
Vendor advisory: http://secunia.com/advisories/51436
Vendor advisory: http://secunia.com/advisories/51423
Vendor advisory: http://secunia.com/advisories/51436
Patch / mitigation: http://www.openwall.com/lists/oss-security/2012/11/28/5
Patch / mitigation: http://www.openwall.com/lists/oss-security/2012/11/28/6
Patch / mitigation: https://bugs.launchpad.net/keystone/+bug/1064914
Patch / mitigation: https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b
Patch / mitigation: https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19
Patch / mitigation: https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653
Patch / mitigation: http://www.openwall.com/lists/oss-security/2012/11/28/5
Patch / mitigation: http://www.openwall.com/lists/oss-security/2012/11/28/6
Patch / mitigation: https://bugs.launchpad.net/keystone/+bug/1064914
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html secalert@redhat.com
- http://rhn.redhat.com/errata/RHSA-2012-1556.html secalert@redhat.com
- http://rhn.redhat.com/errata/RHSA-2012-1557.html secalert@redhat.com
- http://secunia.com/advisories/51423 secalert@redhat.com
- http://secunia.com/advisories/51436 secalert@redhat.com
- http://www.openwall.com/lists/oss-security/2012/11/28/5 secalert@redhat.com
- http://www.openwall.com/lists/oss-security/2012/11/28/6 secalert@redhat.com
- http://www.securityfocus.com/bid/56726 secalert@redhat.com
- http://www.ubuntu.com/usn/USN-1641-1 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2012:1556 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2012:1557 secalert@redhat.com
- https://access.redhat.com/security/cve/CVE-2012-5571 secalert@redhat.com
- https://bugs.launchpad.net/keystone/+bug/1064914 secalert@redhat.com
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80333 secalert@redhat.com
- https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b secalert@redhat.com
- https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19 secalert@redhat.com
- https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653 secalert@redhat.com
- http://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html af854a3a-2127-422b-91ae-364da2661108
- http://rhn.redhat.com/errata/RHSA-2012-1556.html af854a3a-2127-422b-91ae-364da2661108
- http://rhn.redhat.com/errata/RHSA-2012-1557.html af854a3a-2127-422b-91ae-364da2661108
- http://secunia.com/advisories/51423 af854a3a-2127-422b-91ae-364da2661108
- http://secunia.com/advisories/51436 af854a3a-2127-422b-91ae-364da2661108
- http://www.openwall.com/lists/oss-security/2012/11/28/5 af854a3a-2127-422b-91ae-364da2661108
- http://www.openwall.com/lists/oss-security/2012/11/28/6 af854a3a-2127-422b-91ae-364da2661108
- http://www.securityfocus.com/bid/56726 af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 19:20 UTC · record ↗