OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated user
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.
- Published
- Dec 17, 2012
- Updated
- Jun 16, 2026
- EPSS
- 2.9% · 86th percentile
- CWE
- CWE-255
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Report tools
Action score
17
Monitor
Low priority for now.
- CVSS
- 16 / 40 · 4.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.9%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| openstack | folsom | cpe:2.3:a:openstack:folsom |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- openstack folsom2012.2
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| PyPI | keystone | before 8.0.0 | 8.0.0 |
| PyPI | keystone | all versions | — |
| Red Hat:openstack:2::el6 | openstack-keystone | before 0:2012.2.1-1.el6ost | 0:2012.2.1-1.el6ost |
| Red Hat:openstack:2::el6 | openstack-keystone-doc | before 0:2012.2.1-1.el6ost | 0:2012.2.1-1.el6ost |
| Red Hat:openstack:2::el6 | python-keystone | before 0:2012.2.1-1.el6ost | 0:2012.2.1-1.el6ost |
Same product
openstack: all recordsOther highest-scoring records for the same primary product.
- CVE-2013-2161XML injection vulnerability in account/utils.py in OpenStack Swift Folsom, Grizzly, and Havana allows attackers to trigger invalid or spoofe31Monitor
- CVE-2013-1865OpenStack Keystone Folsom (2012.2) does not properly perform revocation checks for Keystone PKI tokens when done through a server, which all28Monitor
- CVE-2013-1665The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex and Folsom, Django, and possibly other pr21Monitor
- CVE-2012-3447virt/disk/api.py in OpenStack Compute (Nova) 2012.1.x before 2012.1.2 and Folsom before Folsom-3 allows remote authenticated users to overwr20Monitor
- CVE-2012-5625OpenStack Compute (Nova) Folsom before 2012.2.2 and Grizzly, when using libvirt and LVM backed instances, does not properly clear physical v18Monitor
- CVE-2013-4155OpenStack Swift before 1.9.1 in Folsom, Grizzly, and Havana allows authenticated users to cause a denial of service ("superfluous" tombstone17Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| PyPI:keystone | 8.0.0 | Package registry (OSV) |
| red hat:openstack-keystone | 0:2012.2.1-1.el6ost · Red Hat:openstack:2::el6 | Package registry (OSV) |
| red hat:openstack-keystone-doc | 0:2012.2.1-1.el6ost · Red Hat:openstack:2::el6 | Package registry (OSV) |
| red hat:python-keystone | 0:2012.2.1-1.el6ost · Red Hat:openstack:2::el6 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- P · data or configuration can be modified
- Availability
- none
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- P
- Availability impact
- None
Weakness class (CWE)
CWE-255 · Credentials Management ErrorsCVSS vector
AV:N/AC:L/Au:S/C:N/I:P/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- rhn.redhat.com/errata/RHSA-2012-1557.html
- secunia.com/advisories/51423
- secunia.com/advisories/51436
- www.openwall.com/lists/oss-security/2012/11/28/5
- www.openwall.com/lists/oss-security/2012/11/28/6
- www.securityfocus.com/bid/56727
- www.ubuntu.com/usn/USN-1641-1
- bugs.launchpad.net/keystone/+bug/1079216
- exchange.xforce.ibmcloud.com/vulnerabilities/80370
- github.com/openstack/keystone/commit/38c7e46a640a94da4da89a39a5a1ea9c081f1eb5
- github.com/openstack/keystone/commit/f9d4766249a72d8f88d75dcf1575b28dd3496681
Vendor advisories and official records. Exploit/PoC links are deliberately left out.