CVE-2021-39937

A collision in access memoization logic in all versions of GitLab CE/EE before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, leads to potential elevated privileges in groups and projects under rare circumstances

CVSS v3 5.9 MEDIUM
CVSS v2.0 6.5 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.json	Third Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/336802	Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.json	Third Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/336802	Broken Link

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

History

21 Nov 2024, 06:20

Type	Values Removed	Values Added
References	~~() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.json - Third Party Advisory~~	() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.json - Third Party Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/issues/336802 - Broken Link~~	() https://gitlab.com/gitlab-org/gitlab/-/issues/336802 - Broken Link
CVSS	v2 : ~~6.5~~ v3 : ~~8.8~~	v2 : 6.5 v3 : 5.9

Information

Published : 2021-12-13 16:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-39937

Mitre link : CVE-2021-39937

CVE.ORG link : CVE-2021-39937

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-269

Improper Privilege Management

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