CVE-2021-21685
jenkins: FilePath#mkdirs does not check permission to create parent directories
Severity Score
9.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create parent directories in FilePath#mkdirs.
Jenkins versiones 2.318 y anteriores, LTS versiones 2.303.2 y anteriores, no comprueban el acceso de agente a controlador para crear directorios padre en FilePath#mkdirs
An incorrect permissions validation vulnerability was found in Jenkins. The FilePath#mkdirs does not check permission to create parent directories, which may allow an attacker who controls the agent process to get read and write arbitrary files on the Jenkins controller file system.
*Credits:
N/A
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
- 2021-01-04 CVE Reserved
- 2021-11-04 CVE Published
- 2024-07-20 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-281: Improper Preservation of Permissions
- CWE-862: Missing Authorization
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2021/11/04/3 | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455 | 2023-11-22 | |
| https://access.redhat.com/security/cve/CVE-2021-21685 | 2021-11-29 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2020322 | 2021-11-29 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Jenkins Search vendor "Jenkins" | Jenkins Search vendor "Jenkins" for product "Jenkins" | < 2.303.3 Search vendor "Jenkins" for product "Jenkins" and version " < 2.303.3" | lts |
Affected
| ||||||
| Jenkins Search vendor "Jenkins" | Jenkins Search vendor "Jenkins" for product "Jenkins" | < 2.319 Search vendor "Jenkins" for product "Jenkins" and version " < 2.319" | - |
Affected
| ||||||