Home/CVE/An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16
CVE

CVE-2023-6840

An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16

An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR.

MEDIUM · CVSS 6.7 EPSS 8e-05
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-862Missing Authorization
▤

Affected Products & Versions

3
gitlab>= 16.4.0 and < 16.6.7
gitlab>= 16.7.0 and < 16.7.5
gitlab>= 16.8.0 and < 16.8.2
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · cve@gitlab.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Feb 2024 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
gitlab-securitypatch-release-gitlab-16-8-2-released
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gitlab.com/gitlab-org/gitlab/-/issues/435500Issue TrackingPermissions Required
https://hackerone.com/reports/2280292Permissions RequiredTechnical Description
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