Security readout for executives and security teams
This flaw affects OpenStack Keystone identity handling. In vulnerable versions, a trust user could use EC2-style credential flows to escape intended trust limits and gain extra privileges. Impact depends on whether Keystone trusts and the ec2tokens API were enabled or reachable. Exposure is most likely in older OpenStack deployments running vulnerable Keystone versions with trusts and EC2-style token authentication in use. Modern or patched OpenStack environments are likely unaffected, but legacy private-cloud deployments should verify package lineage. Prioritize remediation for any legacy OpenStack cloud still using vulnerable Keystone releases. This is an identity-service privilege escalation, so successful abuse could undermine tenant or delegation boundaries even without public evidence of active exploitation. Mitigation focus: Upgrade Keystone to Havana 2013.2.1, Icehouse icehouse-2, or vendor-fixed packages.; Review Ubuntu and Red Hat advisories for distribution-specific patched package versions.; Restrict access to Keystone token APIs to required networks and identities..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2013-6391 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.launchpad.net/keystone/+bug/1242597CVE reference · x_refsource_CONFIRM
- keystone-cve20136391-sec-bypass(89657)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.