How severe is CVE-2023-5933?

CVE-2023-5933 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-5933 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5933?

CVE-2023-5933 primarily affects Gitlab. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-5933?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-5933 have an EU (EUVD) identifier?

Yes. CVE-2023-5933 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58205.

When was CVE-2023-5933 published?

CVE-2023-5933 was published on 2024-01-26 and last updated on 2026-06-17.

CVE-2023-5933

CVE-2023-5933 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58205
Weakness: CWE-79
Affected product: Gitlab
Published: 2024-01-26
Last modified: 2026-06-17

Description

An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.

Frequently asked questions

What is CVE-2023-5933?: An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.
How severe is CVE-2023-5933?: CVE-2023-5933 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-5933 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5933?: CVE-2023-5933 primarily affects Gitlab. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-5933?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-5933 have an EU (EUVD) identifier?: Yes. CVE-2023-5933 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58205.
When was CVE-2023-5933 published?: CVE-2023-5933 was published on 2024-01-26 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:16.8.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:16.8.0:*:*:*:enterprise:*:*:*

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