Is CVE-2021-39935 in the CISA KEV catalog?

Yes. CVE-2021-39935 is on the CISA Known Exploited Vulnerabilities list, added 2026-02-03.

What is the CVSS severity of CVE-2021-39935?

CVE-2021-39935 has a CVSS v3 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2021-39935?

CVE-2021-39935 has an EPSS score of 30.50% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-39935

MEDIUMCISA KEVEPSS 98th pctl

6.8

CVSS v3

NVD

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API

CWE-918Server-Side Request Forgery (SSRF)

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

30.50%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-02-24

References

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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 2026-02-04.