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Vulnerability record · CVE-2021-20991 · published 19 April 2021

CVE-2021-20991: Fibaro home center 2 firmware os command injection vulnerability

Fibaro · Home Center 2 Firmware

In Fibaro Home Center 2 and Lite devices with firmware version 4.540 and older an authenticated user can run commands as root user using a command injection vulnerability.

8.8 CVSS 3.1 High EPSS 5.4% · top 7.6% CWE-78 · OS command injectionCWE-77 · Command injection
8.8CVSS 3.1 base score, v2 9.0
5.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Fibaro Home Center 2 and Lite devices with firmware version 4.540 and older an authenticated user can run commands as root user using a command injection vulnerability.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-20991), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.