Check Point Advisories

Advantech R-SeeNet ssh_form.php Cross-Site Scripting (CVE-2021-21800)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0690
Date Published:	26 Sep 2021
Severity:	High
Last Updated:	Sunday 26 September, 2021
Source:
Industry Reference:	CVE-2021-21800
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	R-SeeNet
Vulnerability Description	A cross-site scripting vulnerability exists in Advantech R-SeeNet. The vulnerability is due to improper input validation in ssh_form.php.

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

In the IPS tab, click Protections and find the Advantech R-SeeNet ssh_form.php Cross-Site Scripting (CVE-2021-21800) 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: HP Products Protection Violation.
Attack Information: Advantech R-SeeNet ssh_form.php Cross-Site Scripting (CVE-2021-21800)