Security readout for executives and security teams
A logged-in GitLab guest user could use the groups API to change ownership of arbitrary groups on affected legacy GitLab versions. That is a serious authorization failure because group ownership controls administrative authority. The sources do not show active exploitation or a CVSS score. Exposure is likely limited to organizations still running GitLab 6.x or 7.x before 7.4.3, or legacy forks based on that code. Internet-facing or broadly accessible GitLab instances with guest users would be the highest concern. Treat as high priority only if legacy GitLab 6.x or 7.x deployments remain. Modern supported GitLab deployments are unlikely to be exposed, but an affected instance could let low-privilege users seize group ownership. Mitigation focus: Upgrade affected GitLab 6.x or 7.x instances to 7.4.3 or later.; Check current GitLab vendor guidance for supported upgrade paths.; Restrict guest access and API exposure until affected systems are upgraded..
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.
CVE-2014-8540 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
- gitlab-cve20148540-security-bypass(98449)CVE reference · vdb-entry, x_refsource_XF
- https://gitlab.com/gitlab-org/gitlab-ce/commit/a2dfff418bf2532ebb5aee88414107929b17eefdCVE reference · x_refsource_CONFIRM
- https://about.gitlab.com/2014/10/30/gitlab-7-4-3-released/CVE reference · x_refsource_CONFIRM
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.