CVE-2021-39909

Lack of email address ownership verification in the CODEOWNERS feature in all versions of GitLab EE starting from 11.3 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows an attacker to bypass CODEOWNERS Merge Request approval requirement under rare circumstances

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 3.5 LOW

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

3.5^/10

CVSS v2.0 : LOW

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

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://hackerone.com/reports/1237750	Permissions Required Third Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/335191	Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39909.json	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:14.4.0::::enterprise:::
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

Configuration 2 (hide)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

Configuration 3 (hide)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

Information

Published : 2021-11-04 17:15

Updated : 2022-10-06 12:55

NVD link : CVE-2021-39909

Mitre link : CVE-2021-39909

JSON object : View

CWE

CWE-347

Improper Verification of Cryptographic Signature

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Products Affected

gitlab

gitlab

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