QID 730254

Date Published: 2021-11-16

QID 730254: Jenkins Core Multiple Security Vulnerabilities (Jenkins Security Advisory 2021-11-04)

Jenkins is an open-source automation server written in Java. Jenkins helps to automate the non-human part of the software development process, with continuous integration and facilitating technical aspects of continuous delivery.

Affected Versions:
Jenkins weekly up to and including 2.318
Jenkins LTS up to and including 2.303.2

Fixed Versions:
Jenkins weekly should be updated to version 2.319
Jenkins LTS should be updated to version 2.303.3

QID Detection Logic(Unauthenticated):
This QID checks for vulnerable version by sending a crafted GET request to Jenkins. This QID also detects the vulnerable version from login page or HTTP header.

Successful exploitation of these vulnerability may allow an attacker to obtain contents of arbitrary files on the target system.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
  • Solution
    Customers are advised to upgrade to latest Jenkins version
    For further details refer to Jenkins Security Advisory 2021-11-04
    Vendor References
    Software Advisories
    Advisory ID Software Component Link
    Jenkins Security Advisory 2021-11-04 URL Logo www.jenkins.io/security/advisory/2021-11-04/