Check Point Advisories

Jenkins Build With Parameters Plugin Cross-Site Scripting (CVE-2021-21628)

Check Point Reference: CPAI-2021-1809
Date Published: 31 Jul 2023
Severity: Medium
Last Updated: Monday 31 July, 2023
Source:
Industry Reference:CVE-2021-21628
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Jenkins Build With Parameters Plugin up to 1.5
Vulnerability Description A cross-site scripting vulnerability exists in Jenkins Build With Parameters Plugin. Successful exploitation of this vulnerability would allow remote attackers to inject arbitrary web script into the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Jenkins Build With Parameters Plugin Cross-Site Scripting (CVE-2021-21628) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Jenkins Build With Parameters Plugin Cross-Site Scripting (CVE-2021-21628)

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