Description
A out-of-bounds write vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4.0 through 6.4.14, FortiOS 6.2.0 through 6.2.15, FortiProxy 7.4.0, FortiProxy 7.2.0 through 7.2.6, FortiProxy 7.0.0 through 7.0.12, FortiProxy 2.0.0 through 2.0.13, FortiSASE 23.2.b allows attacker to execute unauthorized code or commands via specially crafted HTTP requests.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Fortinet | FortiProxy | 7.4.0, 7.2.0 – ≤ 7.2.6, 7.0.0 – ≤ 7.0.12, 2.0.0 – ≤ 2.0.13 | — |
| Fortinet | FortiSASE | 23.2.b | — |
| Fortinet | FortiOS | 7.4.0 – ≤ 7.4.1, 7.2.0 – ≤ 7.2.5, 7.0.0 – ≤ 7.0.12, 6.4.0 – ≤ 6.4.14, 6.2.0 – ≤ 6.2.15 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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jhonnybonny/CVE-2023-42789 ★ 1 · Mar 28, 2024
Check CVE-2023-42789
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- ICSA-24-074-05 Siemens RUGGEDCOM APE1808 CISA ICS & IT advisories · Jan 14, 2026
- SSA-832273 SSA-832273: Multiple Vulnerabilities in Fortigate NGFW Before V7.4.3 on RUGGEDCOM APE1808 Devices Siemens ProductCERT · Jan 13, 2026
- WID-SEC-2024-0617 Fortinet FortiOS und FortiProxy: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 24, 2024