CVE-2021-36182 Command injection in Fortinet FortiWeb

What is CVE-2021-36182?

CVE-2021-36182 is a high-severity command injection vulnerability in Fortinet Fortiweb, published on 8 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A Improper neutralization of special elements used in a command ('Command Injection') in Fortinet FortiWeb version 6.3.13 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests

Weakness: CWE-78

Which versions are affected by CVE-2021-36182?

It affects 1 product.

Products include Fortinet Fortiweb.

How do I fix CVE-2021-36182?

No fix has been published for CVE-2021-36182 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-36182 being exploited?

There is no known exploitation of CVE-2021-36182 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortiweb

• CVE-2025-25257 Fortinet FortiWeb SQL Injection Exploited Critical 9.6
• CVE-2025-64446 Fortinet FortiWeb Path Traversal Exploited Critical 9.4
• CVE-2025-58034 Fortinet FortiWeb OS Command Injection Exploited Medium 6.7
• CVE-2020-29015 SQL injection in Fortinet FortiWeb Critical 9.8
• CVE-2020-29016 Memory corruption in Fortinet FortiWeb Critical 9.8

All Fortinet Fortiweb vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jcp2-cx35-47gg.