sonicwall email-security CVE-2021-20021 vulnerability in SonicWall Products
Published on April 9, 2021

A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.

Vendor Advisory NVD

Known Exploited Vulnerability

This SonicWall Email Security Privilege Escalation Exploit Chain vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.

The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2021-20021 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Improper Privilege Management

The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.


Products Associated with CVE-2021-20021

You can be notified by stack.watch whenever vulnerabilities like CVE-2021-20021 are published in these products:

SonicWall Email Security
 
SonicWall Hosted Email Security
 

What versions are vulnerable to CVE-2021-20021?