CVE-2012-5563
MEDIUM · CVSS 4.0EPSS 2.9%EU EUVD
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.
Key facts
- CVSS score
- 4.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:S/C:N/I:P/A:N- Weakness (CWE)
- CWE-255
- EPSS score
- 2.9% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-0014)
- Published
- December 18, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-0014 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- openstack / folsom
References
- http://rhn.redhat.com/errata/RHSA-2012-1557.html
- http://secunia.com/advisories/51423(Vendor Advisory)
- http://secunia.com/advisories/51436(Vendor Advisory)
- http://www.openwall.com/lists/oss-security/2012/11/28/5(Patch)
- http://www.openwall.com/lists/oss-security/2012/11/28/6(Patch)
- 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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