CVE-2022-42475
Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
- Published
- Jan 2, 2023
- Updated
- Oct 21, 2025
- Assigning CNA
- fortinet
- Evidence observed
- Dec 13, 2022
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
7- CVE-2022-42475Exploit
An exploit for CVE-2022-42475, a pre-authentication heap overflow in Fortinet networking products
- cve-2022-42475Exploit
FortiOS buffer overflow vulnerability
- CVE-2022-42475-POCExploit
Exploit for CVE-2022-42475, a pre-auth RCE in FortiOS SSL VPN. Supports validation, benign verification, and full exploitation with connect-back shellcode and encrypted binary stager for remote access.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.