What is CVE-2021-43064?

CVE-2021-43064 is a vulnerability in Fortinet FortiWeb that allows an attacker to use the device as a proxy and reach external or protected hosts via redirection handlers.

Which versions of Fortinet FortiWeb are affected by CVE-2021-43064?

Versions 6.4.1, 6.4.0, 6.3.15 and below, 6.2.6 and below of Fortinet FortiWeb are affected by CVE-2021-43064.

What is the severity of CVE-2021-43064?

The severity of CVE-2021-43064 is medium with a CVSS score of 6.1.

How can an attacker exploit CVE-2021-43064?

An attacker can exploit CVE-2021-43064 by performing a URL redirection to an untrusted site, also known as an open redirect, which allows them to use the device as a proxy and reach external or protected hosts.

Is there a fix available for CVE-2021-43064?

Yes, Fortinet has released a fix for CVE-2021-43064. It is recommended to update to the latest version of Fortinet FortiWeb to address this vulnerability.

Vulnerability/
CVE-2021-43064

medium

6.1

CWE

601

8/12/2021

4/8/2024

CVE-2021-43064

First published: Wed Dec 08 2021(Updated: )

A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to use the device as a proxy and reach external or protected hosts via redirection handlers.

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet FortiWeb	>=6.2.0<=6.2.6
Fortinet FortiWeb	>=6.3.0<=6.3.15
Fortinet FortiWeb	=6.4.0
Fortinet FortiWeb	=6.4.1

Remedy

https://fortiguard.com/advisory/FG-IR-21-168

Never miss a vulnerability like this again

Reference Links

https://fortiguard.com/advisory/FG-IR-21-168

Frequently Asked Questions

What is CVE-2021-43064?
CVE-2021-43064 is a vulnerability in Fortinet FortiWeb that allows an attacker to use the device as a proxy and reach external or protected hosts via redirection handlers.
Which versions of Fortinet FortiWeb are affected by CVE-2021-43064?
Versions 6.4.1, 6.4.0, 6.3.15 and below, 6.2.6 and below of Fortinet FortiWeb are affected by CVE-2021-43064.
What is the severity of CVE-2021-43064?
The severity of CVE-2021-43064 is medium with a CVSS score of 6.1.
How can an attacker exploit CVE-2021-43064?
An attacker can exploit CVE-2021-43064 by performing a URL redirection to an untrusted site, also known as an open redirect, which allows them to use the device as a proxy and reach external or protected hosts.
Is there a fix available for CVE-2021-43064?
Yes, Fortinet has released a fix for CVE-2021-43064. It is recommended to update to the latest version of Fortinet FortiWeb to address this vulnerability.

collector/nvd-index
agent/references
agent/weakness
agent/severity
agent/author
agent/description
agent/last-modified-date
agent/softwarecombine
agent/event
agent/type
agent/first-publish-date
agent/remedy
agent/tags
collector/mitre-cve
source/MITRE
vendor/fortinet
canonical/fortinet fortiweb
version/fortinet fortiweb/6.2.0
version/fortinet fortiweb/6.2.6
version/fortinet fortiweb/6.3.0
version/fortinet fortiweb/6.3.15
version/fortinet fortiweb/6.4.0
version/fortinet fortiweb/6.4.1

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.