Check Point Advisories

Advantech iView CommandServlet Directory Traversal (CVE-2021-22656)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0725
Date Published:	26 Sep 2021
Severity:	High
Last Updated:	Sunday 23 June, 2024
Source:
Industry Reference:	CVE-2021-22656
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	iView
Vulnerability Description	A directory traversal vulnerability exists in the Advantech iView. The vulnerability is due to improper validation of user-supplied path when processing the request in CommandServlet Java class.

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 iView CommandServlet Directory Traversal (CVE-2021-22656) 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: Web Server Enforcement Violation.
Attack Information: Advantech iView CommandServlet Directory Traversal (CVE-2021-22656)