CVE-2022-27491

Published: Sep 6, 2022Updated: Nov 21, 2024 Sources: CVE List NVDNVD-CWE-Other

NVD MITRE

6.8CVSSMEDIUM

EPSS Score

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.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

Open in CVSS calculator →

Weaknesses

NVD-CWE-Other

Affected Products

Fortinet FortiOS Fortinet Security Products

fortios fortinet Security Products

fortinetcommercialUSSecurity Productsaka forti net

Exploitability

Official Patch Available

References

https://fortiguard.com/psirt/FG-IR-22-073

fortiguard.com

Timeline

Published

Sep 6, 2022

Last Updated

Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2022-27491 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows