CVE-2021-39891

In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.

CVSS v3 5.9 MEDIUM
CVSS v2.0 4.0 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.7 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/335137	Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/335137	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
CVSS	v2 : ~~4.0~~ v3 : ~~4.9~~	v2 : 4.0 v3 : 5.9
References	~~() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json - Vendor Advisory~~	() https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json - Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/issues/335137 - Broken Link~~	() https://gitlab.com/gitlab-org/gitlab/-/issues/335137 - Broken Link

Information

Published : 2021-10-05 14:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-39891

Mitre link : CVE-2021-39891

CVE.ORG link : CVE-2021-39891

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-212

Improper Removal of Sensitive Information Before Storage or Transfer

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