CVE-2022-39952 in the critical feed json
A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11…
published 2023-02-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-42396
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 99.8%
- EPSS 99.8% chance of exploitation in 30 days, percentile 99.9%
- public exploits
- 1
- Metasploit, plus a Nuclei check
Summary
A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP request.
Patch / fix
- fortinet fortinac 9.1.8, 9.2.6, 9.4.1
Timeline
- First public exploit (Metasploit exploit/linux/http/fortinac_keyupload_file_write)
- Published
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
99.79% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/linux/http/fortinac_keyupload_file_write Fortinet FortiNAC keyUpload.jsp arbitrary file write metasploit exploit, excellent rank, 2023-02-16
- Nuclei template Fortinet FortiNAC - Arbitrary File Write nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Fortinet FortiNAC
Classification
- Weakness
- Technology feeds
References
-
fortiguard.com
/psirt/FG-IR-22-300
vendor-advisory
Sources
- CVE List CVE-2022-39952
- NVD CVE-2022-39952
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