CVE-2021-39936
mediumpriority · track · 17OT risk · elevatedEPSS 0.011 · 64 %ileDEEUUSEPSS · scored 2026-10-26
Improper access control in GitLab CE/EE affecting all versions starting from 10.7 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 attacker in possession of a deploy token to access a project's disabled wiki.
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 · 3.5–4.3
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-2021-399362024-03-06vendor · osvUS
Improper access control in GitLab CE/EE affecting all versions starting from 10.7 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 attacker in possession of a deploy token to access a project's disabled wiki.
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-2021-39936.jsoncnnvd
- https://gitlab.com/gitlab-org/gitlab/-/issues/241767cnnvd
- https://hackerone.com/reports/964057cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-39936cnnvd
- 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-2021-39936.jsonenisa_euvd
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