How severe is CVE-2023-4011?

CVE-2023-4011 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2023-4011 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4011?

CVE-2023-4011 primarily affects Gitlab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-4011?

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

When was CVE-2023-4011 published?

CVE-2023-4011 was published on 2023-08-02 and last updated on 2026-06-17.

CVE-2023-4011

CVE-2023-4011 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 4.3. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Gitlab
Published: 2023-08-02
Last modified: 2026-06-17

Description

An issue has been discovered in GitLab EE affecting all versions from 15.11 prior to 16.2.2 which allows an attacker to spike the resource consumption resulting in DoS.

Frequently asked questions

What is CVE-2023-4011?: An issue has been discovered in GitLab EE affecting all versions from 15.11 prior to 16.2.2 which allows an attacker to spike the resource consumption resulting in DoS.
How severe is CVE-2023-4011?: CVE-2023-4011 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-4011 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4011?: CVE-2023-4011 primarily affects Gitlab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-4011?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4011 published?: CVE-2023-4011 was published on 2023-08-02 and last updated on 2026-06-17.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/409367

Affected products (2)

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

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