Is CVE-2023-3915 in the CISA KEV catalog?

No. CVE-2023-3915 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-3915?

CVE-2023-3915 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-3915?

CVE-2023-3915 has an EPSS score of 0.56% (43th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-3915?

Upgrade gitlab to 16.2.5 or later.

CVE & CISA-KEV Catalog

CVE-2023-3915

MEDIUM

6.5

CVSS v3

NVD

Description

An issue has been discovered in GitLab EE affecting all versions starting from 16.1 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. If an external user is given an owner role on any group, that external user may escalate their privileges on the instance by creating a service account in that group. This service account is not classified as external and may be used to access internal projects.

CWE-279 CWE-732Incorrect Permission Assignment for Critical Resource

How to fix

Remediation Available

gitlabNVD

Affected:>= 16.2, < 16.2.5Fixed in:16.2.5CVE-2023-3915derived from NVD

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 ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.56%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Other references2

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Markdown

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HTML

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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 2024-11-21.