PT-2021-22783 · Gitlab · Gitlab Ce/Ee+1

Muthu_Prakash · Published 2021-12-13 · Updated 2024-03-06 · CVE-2021-39945

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 9.4 through 14.3.5 GitLab CE/EE versions 14.4 through 14.4.3 GitLab CE/EE versions 14.5 through 14.5.1

Description The issue is related to improper access control in the GitLab CE/EE API. This allows an author of a Merge Request to approve the Merge Request even after having their project access revoked.

Recommendations For versions 9.4 through 14.3.5, update to version 14.3.6 or later. For versions 14.4 through 14.4.3, update to version 14.4.4 or later. For versions 14.5 through 14.5.1, update to version 14.5.2 or later.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

BIT-GITLAB-2021-39945

CVE-2021-39945

Affected Products

Gitlab

Gitlab Ce/Ee

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2021-39945 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39945 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39945 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2021-39945 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-39945 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39945 · Security Note
• https://hackerone.com/reports/1198317 · Note
• https://gitlab.com/gitlab-org/gitlab/-/issues/331675 · Note
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39945.json · Note
• https://t.me/cibsecurity/33854 · Telegram Post