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CVE-2022-42475: Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
Fortinet FortiOS · in CISA KEV since 2022-12-13
2022-12-13added to KEV
2023-01-03federal remediation due date
99.47%EPSS exploit probability (30 days) 99.9th percentile
9.8 CRITICALCVSS 3.1
Knownknown ransomware use
-20days from NVD publication to KEV
What it is
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 (CISA)
Apply updates per vendor instructions.
| CWE | CWE-197 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2023-01-02 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2022-42475.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.