Cyber Resilience

CVE-2023-3907

Medium

Published: 17 December 2023

Published
17 December 2023
Modified
05 May 2025
KEV Added
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Patch
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CVSS Score v3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
EPSS Score 0.0003 7.8th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-3907 is a medium-severity Incorrect User Management (CWE-286) vulnerability in Gitlab Gitlab. Its CVSS base score is 4.9 (Medium).

Operationally, ranked at the 7.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner

CWE(s)
CWE-286NVD-CWE-Other

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

gitlab
gitlab
16.0.0 — 16.4.4 · 16.5 — 16.5.4 · 16.6 — 16.6.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

IA-4 Identifier Management
addresses: CWE-286

Directly implements correct management of identifiers for individuals, groups, roles, services, and devices.

PS-5 Personnel Transfer
addresses: CWE-286

Requires confirmation and adjustment of user access rights during personnel transfers, mitigating incorrect user management.

References