CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2022-12-13Vulnerability

CVE-2022-42475

Multiple versions of Fortinet FortiOS SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute arbitrary code or commands via specifically crafted requests.

Properties

Euvd product
FortiProxy, FortiOS
Vulnerability name
Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
First seen
2025-10-21T23:15:29+00:00
Cvss score
9.8
Epss score
0.99474
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-01-03
Euvd assigner
fortinet
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-12-13T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-12-13
Score
9.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Fortinet
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.3

Related Entities (31 · showing 28)

AFFECTS_PRODUCT (23 · showing 20)

→[Product]cpe:2.3:h:fortinet:fortigate-6300f-dc:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fpm-7630e:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fortigate-7060e:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fortigate-7121f:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fpm-7620f:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fpm-7620e:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fortigate-7040e:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fortigate-6501f:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fim-7904e:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fortigate-7030e:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fortigate-6601f:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fim-7941f:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fim-7921f:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fortigate-6300f:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fortigate-6601f-dc:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fortigate-6501f-dc:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fim-7910e:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:fortinet:fim-7901e:-:*:*:*:*:*:*:*

MENTIONED_IN (4)

→[Campaign]Unnamed campaign (ID 69a9…)
→[Campaign]MuddyWater Exposed: Inside an Iranian APT operation
→[Campaign]Unnamed campaign (ID 696b…)
→[Campaign]Analyzing React2Shell Threat Actors

HAS_WEAKNESS (2)

→[Weakness]CWE-197
→[Weakness]Out-of-bounds Write

DESCRIBES (1)

←[KEVEntry]Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2022-12-13

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CVE-2022-42475 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal