What is CVE-2021-36195?

CVE-2021-36195 is a vulnerability in the command line interpreter of FortiWeb versions 6.4.1, 6.4.0, 6.3.0 through 6.3.15, 6.2.0 through 6.2.6, and 6.1.0 through 6.1.2 that allows an authenticated attacker to execute arbitrary commands on the underlying system shell.

How severe is CVE-2021-36195?

CVE-2021-36195 has a severity score of 8.8 which is classified as critical.

How can an attacker exploit CVE-2021-36195?

An attacker can exploit CVE-2021-36195 by sending specially crafted commands to the command line interpreter of FortiWeb.

Is there a fix for CVE-2021-36195?

Yes, it is recommended to upgrade to a fixed version of FortiWeb. Please refer to the Fortinet advisory for more information.

Vulnerability/
CVE-2021-36195

critical

CWE

78 77

8/12/2021

4/8/2024

CVE-2021-36195: OS Command Injection

First published: Wed Dec 08 2021(Updated: )

Multiple command injection vulnerabilities in the command line interpreter of FortiWeb versions 6.4.1, 6.4.0, 6.3.0 through 6.3.15, 6.2.0 through 6.2.6, and 6.1.0 through 6.1.2 may allow an authenticated attacker to execute arbitrary commands on the underlying system shell via specially crafted command arguments.

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet FortiWeb	>=6.2.0<=6.2.5
Fortinet FortiWeb	>=6.3.0<=6.3.15
Fortinet FortiWeb	=6.1.0
Fortinet FortiWeb	=6.1.1
Fortinet FortiWeb	=6.1.2
Fortinet FortiWeb	=6.4.0
Fortinet FortiWeb	=6.4.1

Remedy

https://fortiguard.com/advisory/FG-IR-21-157

Never miss a vulnerability like this again

Reference Links

https://fortiguard.com/advisory/FG-IR-21-157

Frequently Asked Questions

What is CVE-2021-36195?
CVE-2021-36195 is a vulnerability in the command line interpreter of FortiWeb versions 6.4.1, 6.4.0, 6.3.0 through 6.3.15, 6.2.0 through 6.2.6, and 6.1.0 through 6.1.2 that allows an authenticated attacker to execute arbitrary commands on the underlying system shell.
How severe is CVE-2021-36195?
CVE-2021-36195 has a severity score of 8.8 which is classified as critical.
How can an attacker exploit CVE-2021-36195?
An attacker can exploit CVE-2021-36195 by sending specially crafted commands to the command line interpreter of FortiWeb.
Which versions of FortiWeb are affected by CVE-2021-36195?
FortiWeb versions 6.4.1, 6.4.0, 6.3.0 through 6.3.15, 6.2.0 through 6.2.6, and 6.1.0 through 6.1.2 are affected by CVE-2021-36195.
Is there a fix for CVE-2021-36195?
Yes, it is recommended to upgrade to a fixed version of FortiWeb. Please refer to the Fortinet advisory for more information.

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agent/last-modified-date
agent/softwarecombine
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collector/mitre-cve
source/MITRE
vendor/fortinet
canonical/fortinet fortiweb
version/fortinet fortiweb/6.2.0
version/fortinet fortiweb/6.2.5
version/fortinet fortiweb/6.3.0
version/fortinet fortiweb/6.3.15
version/fortinet fortiweb/6.1.0
version/fortinet fortiweb/6.1.1
version/fortinet fortiweb/6.1.2
version/fortinet fortiweb/6.4.0
version/fortinet fortiweb/6.4.1

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