Is CVE-2023-3949 in the CISA KEV catalog?

No. CVE-2023-3949 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-3949?

CVE-2023-3949 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-3949?

CVE-2023-3949 has an EPSS score of 0.54% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-3949?

Upgrade gitlab on debian unstable to 16.4.4+ds2-2 or later.

CVE & CISA-KEV Catalog

CVE-2023-3949

MEDIUM

5.3

CVSS v3

NVD

Description

An issue has been discovered in GitLab affecting all versions starting from 11.3 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for unauthorized users to view a public projects' release descriptions via an atom endpoint when release access on the public was set to only project members.

CWE-201

How to fix

Remediation Available

gitlabDebian

Fixed in:16.4.4+ds2-2CVE-2023-3949

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.54%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Vendor Advisory1

gitlab.com

Third-Party Advisory1

hackerone.com

Related Vulnerabilities

Other CWE-201 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-60188	High	7.5	2.9%	-	-
CVE-2017-16026	Medium	5.9	2.6%	-	Fix
CVE-2017-2582	Medium	6.5	2.5%	-	Fix
CVE-2022-27779	Medium	5.3	2.4%	-	Fix
CVE-2020-26085	Critical	9.9	2.2%	-	Fix
CVE-2024-32825	High	7.5	2.0%	-	-

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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 2024-11-21.