CVE-2021-36191

Description

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

Category

4.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory fortiguard.com
Affected: Fortinet Fortinet FortiWeb
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/advisory/FG-IR-21-133 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-36191?
CVE-2021-36191 has been scored as a medium severity vulnerability.
How to fix CVE-2021-36191?
To fix CVE-2021-36191, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-36191 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-36191 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-36191?
CVE-2021-36191 affects Fortinet Fortinet FortiWeb.
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