CVE-2021-39908

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-39908
In all versions of GitLab CE/EE starting from 0.8.0 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 certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39908.json Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/337193 Broken Link
https://hackerone.com/reports/1280077 Permissions Required Third Party Advisory
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:14.4.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:*
History

30 Sep 2022, 12:58

Type Values Removed Values Added
CPE cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:community:*:*:*

12 May 2022, 21:15

Type Values Removed Values Added
Summary In all versions of GitLab CE/EE, certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI. In all versions of GitLab CE/EE starting from 0.8.0 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 certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.

08 Apr 2022, 19:36

Type Values Removed Values Added
CWE CWE-94
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CPE cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
First Time Gitlab
Gitlab gitlab
References (CONFIRM) https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39908.json - (CONFIRM) https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39908.json - Vendor Advisory
References (MISC) https://gitlab.com/gitlab-org/gitlab/-/issues/337193 - (MISC) https://gitlab.com/gitlab-org/gitlab/-/issues/337193 - Broken Link
References (MISC) https://hackerone.com/reports/1280077 - (MISC) https://hackerone.com/reports/1280077 - Permissions Required, Third Party Advisory

01 Apr 2022, 23:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-04-01 23:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-39908

Mitre link : CVE-2021-39908

CVE.ORG link : CVE-2021-39908

JSON object : View

Products Affected

gitlab

  • gitlab
CWE
CWE-94

Improper Control of Generation of Code ('Code Injection')