CVE-2024-21762
Fortinet FortiOS Out-of-Bound Write Vulnerability
- Published
- Feb 9, 2024
- Updated
- Aug 4, 2026
- Assigning CNA
- fortinet
- Evidence observed
- Feb 9, 2024
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
- 99.7%
- 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 out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized code or commands via specifically crafted requests
Sources
13- CVE-2024-21762Exploit
Detects and exploits CVE-2024-21762 pre-authentication RCE in FortiGate SSL VPN, featuring baseline validation, automatic exploitation, ROP heap-spray mode, and reverse shell.
- CVE-2024-21762_FortiNet_PoCExploit
Proof-of-concept scanner targeting CVE-2024-21762 in FortiOS SSL VPN’s /remote/hostcheck_validate endpoint with reverse shell payload delivery.
- cve-2024-21762-checkScanner
Responsible use
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