#VU85790 Missing Origin Validation in WebSockets in Jenkins and Jenkins LTS - CVE-2024-23898

 

#VU85790 Missing Origin Validation in WebSockets in Jenkins and Jenkins LTS - CVE-2024-23898

Published: January 25, 2024 / Updated: March 31, 2025


Vulnerability identifier: #VU85790
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2024-23898
CWE-ID: CWE-1385
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
Jenkins
Jenkins LTS
Software vendor:
Jenkins

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to a cross-site WebSocket hijacking (CSWSH) issue when the affected application does not perform origin validation of requests made through the CLI WebSocket endpoint. A remote attacker can execute CLI commands on the Jenkins controller.


Remediation

Install updates from vendor's website.

External links