Check Point Advisories

Siemens SINEC NMS Directory Traversal (CVE-2021-33722)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-1010
Date Published:	29 Dec 2021
Severity:	High
Last Updated:	Wednesday 29 December, 2021
Source:
Industry Reference:	CVE-2021-33722
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	SINEC NMS
Vulnerability Description	A directory traversal vulnerability exists in Siemens SINEC NMS. The vulnerability is due to improper validation of user-supplied path while exporting firmware containers.

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 Siemens SINEC NMS Directory Traversal (CVE-2021-33722) 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: Siemens SINEC NMS Directory Traversal (CVE-2021-33722)