Is CVE-2021-39884 in the CISA KEV catalog?

No. CVE-2021-39884 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39884?

CVE-2021-39884 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-39884?

CVE-2021-39884 has an EPSS score of 0.97% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39884?

Upgrade gitlab to 14.3.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-39884

MEDIUM

4.3

CVSS v3

NVD

Description

In all versions of GitLab EE since version 8.13, an endpoint discloses names of private groups that have access to a project to low privileged users that are part of that project.

How to fix

Remediation Available

gitlabNVD

Affected:>= 14.3.0, < 14.3.1Fixed in:14.3.1CVE-2021-39884derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.97%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Vendor Advisory1

gitlab.com

Other references2

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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.