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Check Point Advisories

Cross Site Scripting Over HTTP Traffic (CVE-2020-17952; CVE-2021-26475; CVE-2021-26702; CVE-2021-26723; CVE-2021-39496; CVE-2021-39499)

Check Point Reference: CPAI-2021-0200
Date Published: 30 Mar 2021
Severity: High
Last Updated: 22 Sep 2021
Source:
Industry Reference:CVE-2020-17952
CVE-2021-26475
CVE-2021-26702
CVE-2021-26723
CVE-2021-39496
CVE-2021-39499
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable?
Vulnerability Description Cross Site Scripting Over HTTP Traffic.

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

  1. In the IPS tab, click Protections and find the Cross Site Scripting Over HTTP Traffic 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:  Cross Site Scripting Over HTTP Traffic

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