CVE-2022-42475
Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
CVSS
—
No CVSS
EPSS
99.5%
p100
KEV
YES
Dec 13, 2022
Exploit Today
80
0-100
Published: — · Last modified: —
99.5%EPSS · 30 days99.5%
2026-06-302026-07-16
Product
Fortinet / FortiOS
Vulnerability
Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
Added to KEV
Dec 13, 2022
Remediate by
Jan 3, 2023
Known ransomware use
Yes
Summary description
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.
Required action
Apply updates per vendor instructions.
Notes
https://www.fortiguard.com/psirt/FG-IR-22-398; https://nvd.nist.gov/vuln/detail/CVE-2022-42475
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