Check Point Advisories

Cisco Jabber Cross-Site Scripting (CVE-2020-26085)

Vulnerability
Protection

Check Point Reference:	CPAI-2020-1304
Date Published:	21 Dec 2020
Severity:	Critical
Last Updated:	Monday 21 December, 2020
Source:
Industry Reference:	CVE-2020-26085
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Cisco Jabber Client 12.1 - 12.9
Vulnerability Description	A cross site scripting vulnerability exists in Cisco Jabber. Successful exploitation of this vulnerability would allow remote attackers to inject an 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 R80 / R77 / R75

In the IPS tab, click Protections and find the Cisco Jabber Cross-Site Scripting (CVE-2020-26085) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Cisco Protection Violation.
Attack Information: Cisco Jabber Cross-Site Scripting (CVE-2020-26085)