How severe is CVE-2023-3511?

CVE-2023-3511 has a CVSS 3.x base score of 2.0, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-3511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3511?

CVE-2023-3511 affects Gitlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3511?

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

When was CVE-2023-3511 published?

CVE-2023-3511 was published on 2023-12-15 and last updated on 2026-06-17.

CVE-2023-3511

CVE-2023-3511 is a low-severity vulnerability in Gitlab with a CVSS 3.x base score of 2.0. 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-863.

Key facts

Severity: Low (CVSS 3.x base score 2.0)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Gitlab
Published: 2023-12-15
Last modified: 2026-06-17

Description

An issue has been discovered in GitLab EE affecting all versions starting from 8.17 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. It was possible for auditor users to fork and submit merge requests to private projects they're not a member of.

Frequently asked questions

What is CVE-2023-3511?: An issue has been discovered in GitLab EE affecting all versions starting from 8.17 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. It was possible for auditor users to fork and submit merge requests to private projects they're not a member of.
How severe is CVE-2023-3511?: CVE-2023-3511 has a CVSS 3.x base score of 2.0, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-3511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3511?: CVE-2023-3511 affects Gitlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3511 published?: CVE-2023-3511 was published on 2023-12-15 and last updated on 2026-06-17.

References

Affected products (1)

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

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