Is CVE-2023-6955 in the CISA KEV catalog?

No. CVE-2023-6955 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-6955?

CVE-2023-6955 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2023-6955?

CVE-2023-6955 has an EPSS score of 0.55% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-6955?

Upgrade gitlab on debian unstable to 16.6.5-3 or later.

CVE & CISA-KEV Catalog

CVE-2023-6955

MEDIUM

6.6

CVSS v3

NVD

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.

CWE-862Missing Authorization

How to fix

Remediation Available

gitlabDebian

Fixed in:16.6.5-3CVE-2023-6955

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N

Exploit Intelligence

0.55%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Vendor Advisory1

gitlab.com

Related Vulnerabilities

Other CWE-862 (Missing Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-39226	Critical	9.8	100%	KEV	Fix
CVE-2022-0543	Critical	10.0	100%	KEV	Fix
CVE-2021-21978	Critical	9.8	99%	-	Fix
CVE-2023-52163	High	8.8	96%	KEV	-
CVE-2022-1329	High	8.8	93%	-	-
CVE-2023-6875	Critical	9.8	90%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-05.