Check Point Advisories

Schneider Electric C-Bus Toolkit Directory Traversal (CVE-2021-22718)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-1762
Date Published:	5 Jan 2025
Severity:	High
Last Updated:	Sunday 05 January, 2025
Source:
Industry Reference:	CVE-2021-22718
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Schneider Electric C-Bus Toolkit 1.15.7 and prior
Vulnerability Description	A directory traversal vulnerability exists in Schneider Electric C-Bus Toolkit. Successful exploitation of this vulnerability would allow a remote attacker to list directories on 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

In the IPS tab, click Protections and find the Schneider Electric C-Bus Toolkit Directory Traversal (CVE-2021-22718) 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: SCADA Protection Violation.
Attack Information: Schneider Electric C-Bus Toolkit Directory Traversal (CVE-2021-22718)