// For flags

CVE-2021-21688

jenkins: FilePath#reading(FileVisitor) does not reject any operations allowing users to have unrestricted read access

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

The agent-to-controller security check FilePath#reading(FileVisitor) in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not reject any operations, allowing users to have unrestricted read access using certain operations (creating archives, FilePath#copyRecursiveTo).

Un control de seguridad agente-a-controlador FilePath#reading(FileVisitor) en Jenkins 2.318 y anteriores, LTS versiones 2.303.2 y anteriores, no rechaza ninguna operación, permitiendo a usuarios tener acceso de lectura sin restricciones usando determinadas operaciones (crear archivos, FilePath#copyRecursiveTo)

An incorrect access restriction vulnerability was found in Jenkins. The FilePath#reading(FileVisitor) does not reject any operations giving users unrestricted read access with certain operations (creating archives, #copyRecursiveTo). This may allow an attacker to get access to restricted data.

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.8.22. Issues addressed include a bypass vulnerability.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
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
  • 2024-08-03 CVE Updated
  • 2026-03-04 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-862: Missing Authorization
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