CVE-2022-27491

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
Sep 6, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-27491: High severity, CVSS 7.5 | Vulnix