CVE-2014-5251

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-08-25 · updated 2026-06-17
Weakness: CWE-255

Description

The MySQL token driver in OpenStack Identity (Keystone) 2014.1.x before 2014.1.2.1 and Juno before Juno-3 stores timestamps with the incorrect precision, which causes the expiration comparison for tokens to fail and allows remote authenticated users to retain access via an expired token.

Affected products

Canonical Ubuntu Linux: 14.04
OpenStack Keystone: 2014.1, 2014.1.2, juno-1, juno-2

References

http://rhn.redhat.com/errata/RHSA-2014-1121.html
http://rhn.redhat.com/errata/RHSA-2014-1122.html
http://www.openwall.com/lists/oss-security/2014/08/15/6
http://www.ubuntu.com/usn/USN-2324-1
https://bugs.launchpad.net/keystone/+bug/1347961
http://rhn.redhat.com/errata/RHSA-2014-1121.html
http://rhn.redhat.com/errata/RHSA-2014-1122.html
http://www.openwall.com/lists/oss-security/2014/08/15/6
http://www.ubuntu.com/usn/USN-2324-1
https://bugs.launchpad.net/keystone/+bug/1347961

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