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CVE-2021-39935

MEDIUMCISA KEV

6.8

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

Details CVE

Score CVSS v3.16.8

SeveriteMEDIUM

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

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurNONE

Publie12/13/2021

Derniere modification2/4/2026

Sourcekev

Observations honeypot0

CISA KEV

FournisseurGitLab

ProduitCommunity and Enterprise Editions

Nom vulnerabiliteGitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability

Date ajout KEV2026-02-03

Date limite remediation2026-02-24

Utilise dans ransomwareUnknown

Produits affectes

gitlab:gitlab

Faiblesses (CWE)

CWE-918CWE-918

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json(cve@gitlab.com)

https://gitlab.com/gitlab-org/gitlab/-/issues/346187(cve@gitlab.com)

https://hackerone.com/reports/1236965(cve@gitlab.com)

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39935.json(af854a3a-2127-422b-91ae-364da2661108)

https://gitlab.com/gitlab-org/gitlab/-/issues/346187(af854a3a-2127-422b-91ae-364da2661108)

https://hackerone.com/reports/1236965(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39935(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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