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CVE-2021-39908

Date: April 1, 2022

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.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2021-39908
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-39908
https://gitlab.com/gitlab-org/gitlab/-/issues/337193
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39908.json
https://hackerone.com/reports/1280077
https://www.mend.io/vulnerability-database/CVE-2021-39908

Severity Score

Weakness Type (CWE)

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

CWE-94

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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