CVE-2021-39945
mediumpriority · track · 11OT risk · elevatedEPSS 0.009 · 61 %ileDEEUUSEPSS · scored 2026-10-27
Improper access control in the GitLab CE/EE API affecting all versions starting from 9.4 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an author of a Merge Request to approve the Merge Request even after having their project access revoked
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.5–4
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
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-2021-399452024-03-06vendor · osvUS
Improper access control in the GitLab CE/EE API affecting all versions starting from 9.4 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an author of a Merge Request to approve the Merge Request even after having their project access revoked
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (13)
External citations — patches, advisories, analysis.
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39945.jsoncnnvd
- https://gitlab.com/gitlab-org/gitlab/-/issues/331675cnnvd
- https://hackerone.com/reports/1198317cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-39945cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.4141cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021120905cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021121337cnnvd
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39945.jsonenisa_euvd
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