CVE-2012-4457
MEDIUM · CVSS 4.0EPSS 2.3%EU EUVD
OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-3 does not properly handle authorization tokens for disabled tenants, which allows remote authenticated users to access the tenant's resources by requesting a token for the tenant.
Key facts
- CVSS score
- 4.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:S/C:P/I:N/A:N- Weakness (CWE)
- CWE-287
- EPSS score
- 2.3% (83th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2022-5747)
- Published
- October 9, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2022-5747 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- openstack / keystone
- openstack / keystone
- openstack / keystone
References
- http://secunia.com/advisories/50665(Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2012/09/28/6(Mailing List, Third Party Advisory)
- http://www.securityfocus.com/bid/55716(Third Party Advisory, VDB Entry)
- https://bugzilla.redhat.com/show_bug.cgi?id=861180(Issue Tracking, Third Party Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78947(Third Party Advisory, VDB Entry)
- https://github.com/openstack/keystone/commit/4ebfdfaf23c6da8e3c182bf3ec2cb2b7132ef685(Third Party Advisory)
- https://github.com/openstack/keystone/commit/5373601bbdda10f879c08af1698852142b75f8d5(Third Party Advisory)
- https://lists.launchpad.net/openstack/msg17035.html(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain