OpenStack Keystone before 2012.1.1, as used in OpenStack Folsom before Folsom-1 and OpenStack Essex, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by (1) creating new tokens through token chaining, (2) leveraging possession of a token for a disabled user account, or (3) leveraging possession of a token for an account with a changed password
Published Jul 31, 2012
4.9
MEDIUMCVSS 2.0
EPSS 2.28%
Description
OpenStack Keystone before 2012.1.1, as used in OpenStack Folsom before Folsom-1 and OpenStack Essex, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by (1) creating new tokens through token chaining, (2) leveraging possession of a token for a disabled user account, or (3) leveraging possession of a token for an account with a changed password.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.28% (0.02285) | 82.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.27% (0.02266) | 80.68th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.23% (0.00230) | 43.79th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.25% (0.00251) | 65.55th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.25% (0.00251) | 64.07th | v3 (v2023.03.01) |
| Jun 21, 2023 | 0.25% (0.00251) | 61.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00258) | 61.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.19% (0.02186) | 80.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.19% (0.02186) | 79.16th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.19% (0.02186) | 57.93th | v2 (v2022.01.01) |
References (20)
- http://github.com/openstack/keystone/commit/29e74e73a6e51cffc0371b32354558391826a4aa x_refsource_CONFIRM
- http://github.com/openstack/keystone/commit/375838cfceb88cacc312ff6564e64eb18ee6a355 x_refsource_CONFIRMPatch
- http://github.com/openstack/keystone/commit/628149b3dc6b58b91fd08e6ca8d91c728ccb8626 x_refsource_CONFIRMExploitPatch
- http://github.com/openstack/keystone/commit/a67b24878a6156eab17b9098fa649f0279256f5d x_refsource_CONFIRM
- http://github.com/openstack/keystone/commit/d9600434da14976463a0bd03abd8e0309f0db454 x_refsource_CONFIRM
- http://github.com/openstack/keystone/commit/ea03d05ed5de0c015042876100d37a6a14bf56de x_refsource_CONFIRMExploitPatch
- http://secunia.com/advisories/50045 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/50494 third-party-advisoryx_refsource_SECUNIA
- http://www.openwall.com/lists/oss-security/2012/07/27/4 mailing-listx_refsource_MLISTPatch
- http://www.ubuntu.com/usn/USN-1552-1 vendor-advisoryx_refsource_UBUNTU
- https://bugs.launchpad.net/keystone/+bug/996595 x_refsource_CONFIRM
- https://bugs.launchpad.net/keystone/+bug/997194 x_refsource_CONFIRM
- https://bugs.launchpad.net/keystone/+bug/998185 x_refsource_CONFIRM
- https://github.com/advisories/GHSA-xp97-6w7r-4cjc Advisory
- https://github.com/openstack/keystone/commit/375838cfceb88cacc312ff6564e64eb18ee6a355
- https://github.com/openstack/keystone/commit/628149b3dc6b58b91fd08e6ca8d91c728ccb8626
- https://github.com/openstack/keystone/commit/a67b24878a6156eab17b9098fa649f0279256f5d
- https://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2012-34.yaml
- https://launchpad.net/keystone/essex/2012.1.1/+download/keystone-2012.1.1.tar.gz x_refsource_CONFIRMPatch
- https://nvd.nist.gov/vuln/detail/CVE-2012-3426
Change history (0)
No recorded changes yet.