Is CVE-2023-3907 in the CISA KEV catalog?

No. CVE-2023-3907 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-3907?

CVE-2023-3907 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2023-3907?

CVE-2023-3907 has an EPSS score of 0.59% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-3907?

Upgrade gitlab to 16.6.2 or later.

CVE & CISA-KEV Catalog

CVE-2023-3907

MEDIUM

4.9

CVSS v3

NVD

Description

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-286

How to fix

Remediation Available

gitlabNVD

Affected:>= 16.6, < 16.6.2Fixed in:16.6.2CVE-2023-3907derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.59%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Vendor Advisory1

gitlab.com

Other references1

hackerone.com

Related Vulnerabilities

Other CWE-286 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-29296	Medium	5.3	1.2%	-	-
CVE-2023-3932	High	8.2	0.9%	-	Fix
CVE-2022-32260	Medium	6.5	0.7%	-	Fix
CVE-2021-26262	Medium	5.5	0.6%	-	Fix
CVE-2023-26689	Critical	9.8	0.6%	-	-
CVE-2023-0857	Medium	5.9	0.6%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-05.