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CVE-2021-39945

Date: December 13, 2021

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

Severity Score

Related Resources (6)

https://hackerone.com/reports/1198317
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39945.json
https://gitlab.com/gitlab-org/gitlab/-/issues/331675
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-39945
https://nvd.nist.gov/vuln/detail/CVE-2021-39945
https://www.mend.io/vulnerability-database/CVE-2021-39945

Severity Score

Weakness Type (CWE)

Incorrect Authorization

CWE-863

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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