// For flags

CVE-2021-21692

jenkins: The operations FilePath#renameTo and FilePath#moveAllChildrenTo only check read permission on the source path

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

FilePath#renameTo and FilePath#moveAllChildrenTo in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier only check 'read' agent-to-controller access permission on the source path, instead of 'delete'.

FilePath#renameTo y FilePath#moveAllChildrenTo en Jenkins versiones 2.318 y anteriores, LTS versiones 2.303.2 y anteriores ,sólo comprueban el permiso de acceso de agente a controlador "read" en la ruta de origen, en lugar de "delete"

An incorrect permissions validation vulnerability was found in Jenkins. The operations FilePath#renameTo and FilePath#moveAllChildrenTo only check read permission on the source path which may allow an attacker who has access to these operations to be able to read and write to arbitrary files on the Jenkins controller file system.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* 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-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-276: Incorrect Default Permissions
CAPEC
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