CVE-2012-5563

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-12-18 · updated 2026-06-16
Weakness: CWE-255

Description

OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by creating new tokens through token chaining. NOTE: this issue exists because of a CVE-2012-3426 regression.

Affected products

OpenStack Folsom: 2012.2

References

http://rhn.redhat.com/errata/RHSA-2012-1557.html
http://secunia.com/advisories/51423
http://secunia.com/advisories/51436
http://www.openwall.com/lists/oss-security/2012/11/28/5
http://www.openwall.com/lists/oss-security/2012/11/28/6
http://www.securityfocus.com/bid/56727
http://www.ubuntu.com/usn/USN-1641-1
https://bugs.launchpad.net/keystone/+bug/1079216
https://exchange.xforce.ibmcloud.com/vulnerabilities/80370
https://github.com/openstack/keystone/commit/38c7e46a640a94da4da89a39a5a1ea9c081f1eb5
https://github.com/openstack/keystone/commit/f9d4766249a72d8f88d75dcf1575b28dd3496681
http://rhn.redhat.com/errata/RHSA-2012-1557.html

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