Check Point Advisories

SonicWall SMA100 Directory Traversal (CVE-2019-7483; CVE-2021-20034)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-2042
Date Published:	14 May 2020
Severity:	Critical
Last Updated:	Thursday 22 December, 2022
Source:
Industry Reference:	CVE-2019-7483 CVE-2021-20034
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	SonicWall SMA100 version 9.0.0.4 and earlier
Vulnerability Description	A directory traversal vulnerability exists in SonicWall SMA100 system. Successful exploitation of this vulnerability could lead to disclosure of file contents accessible by the unauthenticated user.

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 SonicWall SMA100 Directory Traversal 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: Application Servers Protection Violation.
Attack Information: SonicWall SMA100 Directory Traversal