What is the vulnerability ID of this Fortinet FortiWeb vulnerability?

The vulnerability ID of this Fortinet FortiWeb vulnerability is CVE-2021-36191.

What is the severity level of CVE-2021-36191?

The severity level of CVE-2021-36191 is medium with a score of 5.4.

Which versions of Fortinet FortiWeb are affected by CVE-2021-36191?

Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below, 6.2.6 and below, 6.1.2 and below, and 6.0.7 and below are affected by CVE-2021-36191.

What is the impact of CVE-2021-36191?

CVE-2021-36191 allows an attacker to use the Fortinet FortiWeb device as a proxy by exploiting crafted GET parameters in requests to error handlers.

Is there a fix available for CVE-2021-36191?

Yes, it is recommended to upgrade Fortinet FortiWeb to a version that is not affected by CVE-2021-36191.

Vulnerability/
CVE-2021-36191

medium

5.4

CWE

601

8/12/2021

25/10/2024

CVE-2021-36191

First published: Wed Dec 08 2021(Updated: )

A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows attacker to use the device as proxy via crafted GET parameters in requests to error handlers

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet FortiWeb	>=6.0.0<=6.0.7
Fortinet FortiWeb	>=6.2.0<=6.2.6
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-21-133

Never miss a vulnerability like this again

Reference Links

https://fortiguard.com/advisory/FG-IR-21-133

Frequently Asked Questions

What is the vulnerability ID of this Fortinet FortiWeb vulnerability?
The vulnerability ID of this Fortinet FortiWeb vulnerability is CVE-2021-36191.
What is the severity level of CVE-2021-36191?
The severity level of CVE-2021-36191 is medium with a score of 5.4.
Which versions of Fortinet FortiWeb are affected by CVE-2021-36191?
Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below, 6.2.6 and below, 6.1.2 and below, and 6.0.7 and below are affected by CVE-2021-36191.
What is the impact of CVE-2021-36191?
CVE-2021-36191 allows an attacker to use the Fortinet FortiWeb device as a proxy by exploiting crafted GET parameters in requests to error handlers.
Is there a fix available for CVE-2021-36191?
Yes, it is recommended to upgrade Fortinet FortiWeb to a version that is not affected by CVE-2021-36191.

collector/nvd-index
agent/severity
agent/weakness
agent/author
agent/type
agent/references
agent/description
agent/event
agent/last-modified-date
agent/remedy
agent/tags
agent/softwarecombine
agent/first-publish-date
collector/mitre-cve
source/MITRE
vendor/fortinet
canonical/fortinet fortiweb
version/fortinet fortiweb/6.0.0
version/fortinet fortiweb/6.0.7
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/6.1.0
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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