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Vulnerability record · CVE-2012-5563 · published 18 December 2012

CVE-2012-5563: Openstack folsom vulnerability

Openstack · Folsom

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.

4.0 CVSS 2.0 Medium EPSS 2.9% · top 13.8% CWE-255 · CWE-255
4.0CVSS 2.0 base score
2.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

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.

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

Affected products

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

References

LinkTags
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
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

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Related vulnerabilities

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

8.8CVE-2013-0261Openstack essex link following vulnerabilityA flaw was found in PackStack. A local user could exploit a symlink attack on a temporary file with a predictable name in the `/tmp` directory. This …EPSS 0.34%7.6CVE-2013-0335Openstack essex insufficient session expiration vulnerabilityOpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to gain access to a VM in opportunistic circu…EPSS 2.1%7.5CVE-2013-2161Openstack folsom code injection vulnerabilityXML injection vulnerability in account/utils.py in OpenStack Swift Folsom, Grizzly, and Havana allows attackers to trigger invalid or spoofed Swift r…EPSS 1.9%6.8CVE-2013-1865Openstack folsom improper authentication vulnerabilityOpenStack Keystone Folsom (2012.2) does not properly perform revocation checks for Keystone PKI tokens when done through a server, which allows remot…EPSS 2.6%6.5CVE-2013-0208Openstack essex permissions and access controls vulnerabilityThe boot-from-volume feature in OpenStack Compute (Nova) Folsom and Essex, when using nova-volumes, allows remote authenticated users to boot from ot…EPSS 2.5%6.4CVE-2013-4497Openstack havana permissions and access controls vulnerabilityThe XenAPI backend in OpenStack Compute (Nova) Folsom, Grizzly, and Havana before 2013.2 does not properly apply security groups (1) when resizing an…EPSS 1.8%5.5CVE-2013-0266Openstack essex incorrect default permissions vulnerabilityA flaw was found in the `puppetlabs-cinder` module, as used in PackStack. This vulnerability is due to incorrect file permissions, specifically world…EPSS 0.27%5.5CVE-2012-5482Openstack essex permissions and access controls vulnerabilityThe v2 API in OpenStack Glance Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to delete arbitrary non-protected image…EPSS 2.7%

Source: NIST National Vulnerability Database (record CVE-2012-5563), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.