CVE-2022-27491

Description

A improper verification of source of a communication channel in Fortinet FortiOS with IPS engine version 7.201 through 7.214, 7.001 through 7.113, 6.001 through 6.121, 5.001 through 5.258 and before 4.086 allows a remote and unauthenticated attacker to trigger the sending of "blocked page" HTML data to an arbitrary victim via crafted TCP requests, potentially flooding the victim.

6.8

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.03%

Vendor Advisory fortiguard.com

Affected: Fortinet Fortinet FortiOS

References

Link	Tags
https://fortiguard.com/psirt/FG-IR-22-073	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-27491?: CVE-2022-27491 has been scored as a medium severity vulnerability.
How to fix CVE-2022-27491?: To fix CVE-2022-27491, 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-2022-27491 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-27491 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-2022-27491?: CVE-2022-27491 affects Fortinet Fortinet FortiOS.

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