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Vulnerability record · CVE-2012-3426 · published 31 July 2012

CVE-2012-3426: Openstack essex permissions and access controls vulnerability

Openstack · Essex

OpenStack Keystone before 2012.1.1, as used in OpenStack Folsom before Folsom-1 and OpenStack Essex, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by (1) creating new tokens through token chaining, (2) leveraging possession of a token for a disabled user account, or (3) leveraging possession of a token for an account with a changed password.

4.9 CVSS 2.0 Medium EPSS 2.3% · top 16.5% CWE-264 · Permissions and access controls
4.9CVSS 2.0 base score
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
28References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

OpenStack Keystone before 2012.1.1, as used in OpenStack Folsom before Folsom-1 and OpenStack Essex, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by (1) creating new tokens through token chaining, (2) leveraging possession of a token for a disabled user account, or (3) leveraging possession of a token for an account with a changed password.

AV:N/AC:M/Au:S/C:P/I:P/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://github.com/openstack/keystone/commit/29e74e73a6e51cffc0371b32354558391826a4aa
http://github.com/openstack/keystone/commit/375838cfceb88cacc312ff6564e64eb18ee6a355 Patch
http://github.com/openstack/keystone/commit/628149b3dc6b58b91fd08e6ca8d91c728ccb8626 ExploitPatch
http://github.com/openstack/keystone/commit/a67b24878a6156eab17b9098fa649f0279256f5d
http://github.com/openstack/keystone/commit/d9600434da14976463a0bd03abd8e0309f0db454
http://github.com/openstack/keystone/commit/ea03d05ed5de0c015042876100d37a6a14bf56de ExploitPatch
http://secunia.com/advisories/50045
http://secunia.com/advisories/50494
http://www.openwall.com/lists/oss-security/2012/07/27/4 Patch
http://www.ubuntu.com/usn/USN-1552-1
https://bugs.launchpad.net/keystone/+bug/996595
https://bugs.launchpad.net/keystone/+bug/997194
https://bugs.launchpad.net/keystone/+bug/998185
https://launchpad.net/keystone/essex/2012.1.1/+download/keystone-2012.1.1.tar.gz Patch
http://github.com/openstack/keystone/commit/29e74e73a6e51cffc0371b32354558391826a4aa
http://github.com/openstack/keystone/commit/375838cfceb88cacc312ff6564e64eb18ee6a355 Patch
http://github.com/openstack/keystone/commit/628149b3dc6b58b91fd08e6ca8d91c728ccb8626 ExploitPatch
http://github.com/openstack/keystone/commit/a67b24878a6156eab17b9098fa649f0279256f5d
http://github.com/openstack/keystone/commit/d9600434da14976463a0bd03abd8e0309f0db454
http://github.com/openstack/keystone/commit/ea03d05ed5de0c015042876100d37a6a14bf56de ExploitPatch
http://secunia.com/advisories/50045
http://secunia.com/advisories/50494
http://www.openwall.com/lists/oss-security/2012/07/27/4 Patch
http://www.ubuntu.com/usn/USN-1552-1
https://bugs.launchpad.net/keystone/+bug/996595
https://bugs.launchpad.net/keystone/+bug/997194
https://bugs.launchpad.net/keystone/+bug/998185
https://launchpad.net/keystone/essex/2012.1.1/+download/keystone-2012.1.1.tar.gz Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-3426), CISA KEV, FIRST EPSS (scores of 2026-11-14). This page is refreshed as NVD updates the record.