How severe is CVE-2023-6955?

CVE-2023-6955 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2023-6955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6955?

CVE-2023-6955 primarily affects Gitlab. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-6955?

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

Does CVE-2023-6955 have an EU (EUVD) identifier?

Yes. CVE-2023-6955 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59151.

When was CVE-2023-6955 published?

CVE-2023-6955 was published on 2024-01-12 and last updated on 2026-06-17.

CVE-2023-6955

CVE-2023-6955 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 6.6. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59151
Weakness: CWE-862
Affected product: Gitlab
Published: 2024-01-12
Last modified: 2026-06-17

Description

A missing authorization check vulnerability exists in GitLab Remote Development affecting all versions prior to 16.5.6, 16.6 prior to 16.6.4 and 16.7 prior to 16.7.2. This condition allows an attacker to create a workspace in one group that is associated with an agent from another group.

Frequently asked questions

What is CVE-2023-6955?: A missing authorization check vulnerability exists in GitLab Remote Development affecting all versions prior to 16.5.6, 16.6 prior to 16.6.4 and 16.7 prior to 16.7.2. This condition allows an attacker to create a workspace in one group that is associated with an agent from another group.
How severe is CVE-2023-6955?: CVE-2023-6955 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2023-6955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6955?: CVE-2023-6955 primarily affects Gitlab. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-6955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-6955 have an EU (EUVD) identifier?: Yes. CVE-2023-6955 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59151.
When was CVE-2023-6955 published?: CVE-2023-6955 was published on 2024-01-12 and last updated on 2026-06-17.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/432188

Affected products (6)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:16.7.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:16.7.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:16.7.1:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:16.7.1:*:*:*:enterprise:*:*:*

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