CVE-2021-39935

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.361 · 98 %ileDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

36.1% (98th) EPSS

CVSS 5 · medium

Is it mine?

19 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2026-02-03remediate by 2026-02-24

required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-27

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

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

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:Nsecondary · ENISA EU

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:Nsecondary · cve@gitlab.comexploitability 2.2 · impact 4

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-918USprimaryCWE-918US

affected products (19)

Products and version ranges known to be affected.

Open Source Arch Linuxall versionscert_bundDEcpe:/o:archlinux:archlinux:-
Open Source GitLab <14.3.6all versionscert_bundDE
Open Source GitLab <14.4.4all versionscert_bundDE
Open Source GitLab <14.5.2all versionscert_bundDE
Open Source GitLab< 14.3.6cert_bundDE
Open Source GitLab< 14.4.4cert_bundDE
Open Source GitLab< 14.5.2cert_bundDE
GitLab GitLab10.5, → 14.3.6enisa_euvdEU
GitLab GitLab14.4, → 14.4.4enisa_euvdEU
GitLab GitLab14.5, → 14.5.2enisa_euvdEU
GitLab Inc. Gitlab10.5 → 14.3.6fstec_bduRU
GitLab Inc. Gitlab14.4 → 14.4.4fstec_bduRU
GitLab Inc. Gitlab14.5 → 14.5.2fstec_bduRU
gitlab gitlab10.5.0 → 14.3.6nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab14.4.0 → 14.4.4nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab14.5.0 → 14.5.2nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab10.5.0 → 14.3.6osvUSpkg:bitnami/gitlab
Bitnami gitlab14.4.0 → 14.4.4osvUSpkg:bitnami/gitlab
Bitnami gitlab14.5.0 → 14.5.2osvUSpkg:bitnami/gitlab

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0292GitLab: Mehrere SchwachstellenDeutsch2021-12-06csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um seine Privilegien zu erhöhen, Informationen offenzulegen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service zu verursachen.
BIT-gitlab-2021-399352024-03-06vendor · osvUS
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

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2021-12-13modified 2026-06-17

related (4,182)

Related entries.

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+4177 more

references (14)

External citations — patches, advisories, analysis.

scry

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