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Vulnerability record · CVE-2021-20992 · published 19 April 2021

CVE-2021-20992: Fibaro home center 2 firmware cleartext transmission vulnerability

Fibaro · Home Center 2 Firmware

In Fibaro Home Center 2 and Lite devices in all versions provide a web based management interface over unencrypted HTTP protocol. Communication between the user and the device can be eavesdropped to hijack sessions, tokens and passwords.

7.5 CVSS 3.1 High EPSS 1.4% · top 28.2% CWE-319 · Cleartext transmission
7.5CVSS 3.1 base score, v2 5.0
1.4%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 in all versions provide a web based management interface over unencrypted HTTP protocol. Communication between the user and the device can be eavesdropped to hijack sessions, tokens and passwords.

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

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.

8.8CVE-2021-20991Fibaro home center 2 firmware os command injection vulnerabilityIn 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 in…EPSS 5.4%7.5CVE-2021-20990Fibaro home center 2 firmware missing authentication for critical function vulnerabilityIn 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…EPSS 3.4%5.9CVE-2021-20989Fibaro home center 2 firmware improper certificate validation vulnerabilityFibaro Home Center 2 and Lite devices with firmware version 4.600 and older initiate SSH connections to the Fibaro cloud to provide remote access and…EPSS 2.0%

Source: NIST National Vulnerability Database (record CVE-2021-20992), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.