CVE-2021-20030 Path traversal in SonicWall GMS

High 7.5 Published 13 Oct 2022 Updated 16 May 2025

Unauthenticated attackers can exploit path traversal to access sensitive application binaries and configuration files in SonicWall GMS.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-20030?

CVE-2021-20030 is a high-severity path traversal vulnerability in SonicWall GMS, published on 13 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SonicWall GMS is vulnerable to file path manipulation resulting that an unauthenticated attacker can gain access to web directory containing application's binaries and configuration files.

Weakness: CWE-22

Which versions are affected by CVE-2021-20030?

It affects 1 product.

Products include Sonicwall Global Management System.

How do I fix CVE-2021-20030?

No fix has been published for CVE-2021-20030 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-20030 being exploited?

There is no known exploitation of CVE-2021-20030 in the wild and no public exploit code.

Sources

Also known as GHSA-3xqx-3w36-qfg8.