Executive Summary

Informations
Name CVE-2021-20989 First vendor Publication 2021-04-19
Vendor Cve Last vendor Modification 2022-10-29

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score 5.9
Base Score 5.9 Environmental Score 5.9
impact SubScore 3.6 Temporal Score 5.9
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:N/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20989

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-295 Certificate Issues

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1
Os 1

Sources (Detail)

Source Url
CONFIRM https://www.iot-inspector.com/blog/advisory-fibaro-home-center/
FULLDISC http://seclists.org/fulldisclosure/2021/Apr/27
MISC http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-A...

Alert History

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Date Informations
2022-10-29 09:28:00
  • Multiple Updates
2022-09-30 17:27:34
  • Multiple Updates
2022-08-05 21:27:40
  • Multiple Updates
2021-04-24 00:22:49
  • Multiple Updates
2021-04-23 21:23:08
  • Multiple Updates
2021-04-22 00:23:37
  • Multiple Updates
2021-04-20 09:22:50
  • Multiple Updates
2021-04-19 21:23:11
  • First insertion