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CVE-2021-22237

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Date: August 25, 2021

Under specialized conditions, GitLab may allow a user with an impersonation token to perform Git actions even if impersonation is disabled. This vulnerability is present in GitLab CE/EE versions before 13.12.9, 14.0.7, 14.1.2

Language: Ruby

Severity Score

Related Resources (6)

https://gitlab.com/gitlab-org/gitlab/-/issues/297516
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22237.json
https://nvd.nist.gov/vuln/detail/CVE-2021-22237
https://about.gitlab.com/releases/2021/08/03/security-release-gitlab-14-1-2-released/#perform-git-actions-with-an-impersonation-token-even-if-impersonation-is-disabled
https://gitlab.com/gitlab-org/gitlab/-/commit/1a73b228549dfe1fe98f44a8cee8e3ebcc36d841
https://www.mend.io/vulnerability-database/CVE-2021-22237

Severity Score

Weakness Type (CWE)

Session Fixation

CWE-384

Top Fix

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CVSS v3.1

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

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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