CVE-2021-39938
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands
Un patrón de expresión regular vulnerable en GitLab CE/EE desde la versión 8.15 anteriores a 14.3.6, todas las versiones a partir de 14.4 anteriores a 14.4.4, todas las versiones a partir de 14.5 anteriores a 14.5.2, permite a un atacante causar un consumo no controlado de recursos que conduzca a una denegación de servicio por medio de comandos deploy Slash especialmente diseñados
*Credits:
This vulnerability has been discovered internally by the GitLab team
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
- 2021-12-13 CVE Published
- 2023-07-06 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.json | Third Party Advisory | |
| https://gitlab.com/gitlab-org/gitlab/-/issues/344873 | Broken Link |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
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" | >= 8.15.0 < 14.3.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.15.0 < 14.3.6" | community |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 8.15.0 < 14.3.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.15.0 < 14.3.6" | enterprise |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 14.4.0 < 14.4.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.4.0 < 14.4.4" | community |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 14.4.0 < 14.4.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.4.0 < 14.4.4" | enterprise |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 14.5.0 < 14.5.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.5.0 < 14.5.2" | community |
Affected
| ||||||
| Gitlab Search vendor "Gitlab" | Gitlab Search vendor "Gitlab" for product "Gitlab" | >= 14.5.0 < 14.5.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.5.0 < 14.5.2" | enterprise |
Affected
| ||||||