CVE-2021-39908
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
En todas las versiones de GitLab CE/EE a partir de la 0.8.0 antes de la 14.2.6, en todas las versiones a partir de la 14.3 antes de la 14.3.4, y en todas las versiones a partir de la 14.4 antes de la 14.4.1 se puede abusar de ciertos caracteres Unicode para enviar código malicioso a los proyectos sin que se note en la solicitud de fusión o en la interfaz del visor de código fuente
*Credits:
Thanks @nickboucher, for reporting this vulnerability through our HackerOne bug bounty program
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-08-23 CVE Reserved
- 2022-04-01 CVE Published
- 2023-10-23 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-94: Improper Control of Generation of Code ('Code Injection')
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/337193 | Broken Link |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39908.json | 2022-09-30 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 0.8.0 < 14.2.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 0.8.0 < 14.2.6" | community |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 0.8.0 < 14.2.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 0.8.0 < 14.2.6" | enterprise |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 14.3.0 < 14.3.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.3.0 < 14.3.4" | community |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 14.3.0 < 14.3.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.3.0 < 14.3.4" | enterprise |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | 14.4.0 Search vendor "Gitlab" for product "Gitlab" and version "14.4.0" | community |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | 14.4.0 Search vendor "Gitlab" for product "Gitlab" and version "14.4.0" | enterprise |
Affected
| ||||||