Live › vulnerability › CVE-2022-42475
Go to dashboardFortinet FortiOS SSL-VPN has a heap-based buffer overflow that lets an unauthenticated remote attacker run arbitrary code or commands on the appliance via crafted requests. CISA lists it as actively exploited in the wild and tied to ransomware campaigns.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| fortinet fortios | vendor | >= 5.0.0, <= 5.0.14 | – |
| fortinet fortios | vendor | >= 5.2.0, <= 5.2.15 | – |
| fortinet fortios | vendor | >= 5.4.0, <= 5.4.13 | – |
| fortinet fortios | vendor | >= 5.6.0, <= 5.6.14 | – |
| fortinet fortios | vendor | >= 6.0.0, < 6.0.16 | 6.0.16 |
| fortinet fortios | vendor | >= 6.2.0, < 6.2.12 | 6.2.12 |
| fortinet fortios | vendor | >= 6.4.0, < 6.4.11 | 6.4.11 |
| fortinet fortios | vendor | >= 7.0.0, < 7.0.9 | 7.0.9 |
| fortinet fortios | vendor | >= 7.2.0, < 7.2.3 | 7.2.3 |
| fortinet fortiproxy | vendor | >= 1.0.0, <= 1.0.7 | – |
| fortinet fortiproxy | vendor | >= 1.1.0, <= 1.1.6 | – |
| fortinet fortiproxy | vendor | >= 1.2.0, <= 1.2.13 | – |
| fortinet fortiproxy | vendor | >= 2.0.0, < 2.0.12 | 2.0.12 |
| fortinet fortiproxy | vendor | >= 7.0.0, < 7.0.8 | 7.0.8 |
| fortinet fortiproxy | vendor | >= 7.2.0, < 7.2.2 | 7.2.2 |
| fortinet fortios | vendor | >= 6.0.0, < 6.0.15 | 6.0.15 |
| fortinet fortios | vendor | >= 6.4.0, < 6.4.10 | 6.4.10 |
| fortinet fortios | vendor | >= 7.0.0, < 7.0.8 | 7.0.8 |
| Fortinet FortiOS | vendor | – | – |
Check whether the SSL-VPN feature is enabled on the FortiGate and which FortiOS version is running (the sources do not give exact affected version ranges).
Apply the FortiOS update per Fortinet's vendor advisory (the sources do not name the fixed version).
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
A heap-based buffer overflow vulnerability [CWE-122] 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.
This page as .md · .json · in your agent: get_signal("CVE-2022-42475")
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