Is CVE-2023-4647 in the CISA KEV catalog?

No. CVE-2023-4647 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4647?

CVE-2023-4647 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-4647?

CVE-2023-4647 has an EPSS score of 0.61% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4647?

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

CVE & CISA-KEV Catalog

CVE-2023-4647

MEDIUM

5.3

CVSS v3

NVD

Description

An issue has been discovered in GitLab affecting all versions starting from 15.2 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1 in which the projects API pagination can be skipped, potentially leading to DoS on certain instances.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

gitlabDebian

Fixed in:16.4.4+ds2-2CVE-2023-4647

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 ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.61%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Vendor Advisory1

gitlab.com

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	Fix

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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.