CVE-2022-42475

9.8 CRITICAL CISA KEV - Actively Exploited
Published: January 02, 2023 Modified: October 24, 2025

Description

A heap-based buffer overflow vulnerability [CWE-122]Β in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.10, 6.2.0 through 6.2.11, 6.0.15 and earlier and FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://fortiguard.com/psirt/FG-IR-22-398
Source: psirt@fortinet.com
Exploit Mitigation Vendor Advisory
https://fortiguard.com/psirt/FG-IR-22-398
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Mitigation Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42475
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
94.1%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2023-01-03

Weaknesses (CWE)

Affected Vendors

fortinet