Check Point Advisories

SonicWall Email Security Arbitrary File Upload (CVE-2021-20022)

Check Point Reference: CPAI-2021-1059
Date Published: 15 Feb 2022
Severity: High
Last Updated: Wednesday 16 February, 2022
Source:
Industry Reference:CVE-2021-20022
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? SonicWall Email Security 10.0.9.x
Vulnerability Description An arbitrary file upload vulnerability exists in SonicWall Email Security. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code 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

  1. In the IPS tab, click Protections and find the SonicWall Email Security Arbitrary File Upload (CVE-2021-20022) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  SonicWall Email Security Arbitrary File Upload (CVE-2021-20022)

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