Is CVE-2023-3900 in the CISA KEV catalog?

No. CVE-2023-3900 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-3900?

CVE-2023-3900 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2023-3900?

CVE-2023-3900 has an EPSS score of 0.79% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-3900?

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

CVE & CISA-KEV Catalog

CVE-2023-3900

MEDIUM

4.3

CVSS v3

NVD

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. An invalid 'start_sha' value on merge requests page may lead to Denial of Service as Changes tab would not load.

CWE-1287Improper Validation of Specified Type of Input

How to fix

Remediation Available

gitlabDebian

Fixed in:16.4.4+ds2-2CVE-2023-3900

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.79%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Other references2

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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.