Security readout for executives and security teams
Plain-English summary
This flaw lets a Guest user in a private GitLab project see CI/CD analytics they should not be authorized to view. It is not a takeover or data-destruction issue, but it can expose project delivery activity and pipeline trends to lower-privileged users.
Executive priority
Prioritize within normal patch cycles, faster where private repositories include external guests or sensitive delivery metadata. This is a confidentiality issue, not a critical service compromise based on the provided evidence.
Technical view
CVE-2021-22247 is an improper authorization issue in GitLab CE/EE since 13.0. Authenticated users with Guest access to private projects could view CI/CD analytics. CVSS 3.1 is 4.3: network reachable, low complexity, low privileges required, confidentiality impact only.
Likely exposure
Exposure is likely limited to affected GitLab CE/EE versions with private projects that include Guest members. Affected ranges are >=13.0 <13.12.9, >=14.0 <14.0.7, and >=14.1 <14.1.2.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Abuse requires an authenticated Guest relationship to a private project, which narrows access but may matter in contractor, partner, or broad internal collaboration models.
Researcher notes
The key exposure condition is authorization bypass for CI/CD analytics in private projects. The bundle does not identify broader data access, integrity impact, availability impact, public exploit activity, or KEV status.
Mitigation direction
- Upgrade affected GitLab instances to 13.12.9, 14.0.7, 14.1.2, or later supported releases.
- Review private projects and remove unnecessary Guest members until upgraded.
- Check GitLab issue and CVE records for any environment-specific vendor guidance.
- Treat exposed CI/CD analytics as potentially visible to lower-privileged project members.
Validation and detection
- Inventory GitLab CE/EE versions across self-managed environments.
- Identify private projects with Guest users on affected versions.
- Confirm CI/CD analytics access is blocked for Guest users after remediation.
- Review audit or access logs for unexpected Guest access where available.
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-2021-22247 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
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://gitlab.com/gitlab-org/gitlab/-/issues/299333CVE reference · x_refsource_MISC
- https://hackerone.com/reports/1074326CVE reference · x_refsource_MISC
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22247.jsonCVE 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.
