How severe is CVE-2023-2181?

CVE-2023-2181 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2023-2181 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2181?

CVE-2023-2181 affects Gitlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2181?

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

When was CVE-2023-2181 published?

CVE-2023-2181 was published on 2023-05-12 and last updated on 2026-06-17.

CVE-2023-2181

CVE-2023-2181 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Gitlab
Published: 2023-05-12
Last modified: 2026-06-17

Description

An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.

Frequently asked questions

What is CVE-2023-2181?: An issue has been discovered in GitLab affecting all versions before 15.9.8, 15.10.0 before 15.10.7, and 15.11.0 before 15.11.3. A malicious developer could use a git feature called refs/replace to smuggle content into a merge request which would not be visible during review in the UI.
How severe is CVE-2023-2181?: CVE-2023-2181 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2023-2181 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2181?: CVE-2023-2181 affects Gitlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2181?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2181 published?: CVE-2023-2181 was published on 2023-05-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

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