Vulnerability CVE-2021-39908
Published: 2022-04-01   Modified: 2022-04-02

Description:
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.

Type:

CWE-94

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

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Gitlab -> Gitlab 

 References:
https://hackerone.com/reports/1280077
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39908.json
https://gitlab.com/gitlab-org/gitlab/-/issues/337193
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