// For flags

CVE-2021-21689

jenkins: FilePath#unzip and FilePath#untar were not subject to any access control

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

FilePath#unzip and FilePath#untar were not subject to any agent-to-controller access control in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

FilePath#unzip y FilePath#untar no estaban sujetos a ningĂșn control de acceso de agente a controlador en Jenkins versiones 2.318 y anteriores, LTS versiones 2.303.2 y anteriores

An incorrect access control vulnerability was found in Jenkins. The FilePath#unzip and FilePath#untar were not subjected to any access control. An attacker with access to FilePath#unzip or FilePath#untar operations is able to read and write 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
None
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
None
* 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-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