CVE-2021-20989

Public Exploit
Fibaro Home Center Insufficient remote access server authorization

Description

Fibaro 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 remote support capabilities. This connection can be intercepted using DNS spoofing attack and a device initiated remote port-forward channel can be used to connect to the web management interface. Knowledge of authorization credentials to the management interface is required to perform any further actions.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.83% Top 30%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory seclists.org Third-Party Advisory iot-inspector.com
Affected: Fibar Group S.A Fibaro Home Center
Published at:
Updated at:

References

Link Tags
https://www.iot-inspector.com/blog/advisory-fibaro-home-center/ third party advisory exploit
http://seclists.org/fulldisclosure/2021/Apr/27 third party advisory mailing list
http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.html third party advisory vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2021-20989?
CVE-2021-20989 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20989?
To fix CVE-2021-20989, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20989 being actively exploited in the wild?
It is possible that CVE-2021-20989 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20989?
CVE-2021-20989 affects Fibar Group S.A Fibaro Home Center.
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