High severity · published Apr 1, 2022
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…
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
0.8.0 before 14.2.6; 0.8.0 before 14.2.6; 14.3.0 before 14.3.4; 14.3.0 before 14.3.4; 14.4.0; 14.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39908
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39908
Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39908.json
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/337193
Permissions Required
https://hackerone.com/reports/1280077
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