CVE-2021-20989
Last modified
CVE-2021-20989 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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. EPSS estimates a 1.98% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fibaro | Home Center 2 Firmware | <= 4.600 |
| Fibaro | Home Center Lite Firmware | <= 4.600 |
References
- http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Apr/27Mailing List, Third Party Advisory
- https://www.iot-inspector.com/blog/advisory-fibaro-home-center/Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentication-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Apr/27Mailing List, Third Party Advisory
- https://www.iot-inspector.com/blog/advisory-fibaro-home-center/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20989?
How severe is CVE-2021-20989?
How do I fix CVE-2021-20989?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-2096Vulnerability in the Oracle iStore product of Oracle E-Busin…8.2
- CVE-2021-2097Vulnerability in the Oracle iSupport product of Oracle E-Bus…8.2
- CVE-2021-2098Vulnerability in the Oracle Email Center product of Oracle E…8.2
- CVE-2021-20986A Denial of Service vulnerability was found in Hilscher PROF…7.5
- CVE-2021-20987A denial of service and memory corruption vulnerability was …8.6
- CVE-2021-20988In Hilscher rcX RTOS versions prios to V2.1.14.1 the actual …7.5
- CVE-2021-2099Vulnerability in the Oracle CRM Technical Foundation product…8.2
- CVE-2021-20990In Fibaro Home Center 2 and Lite devices with firmware versi…7.5
- CVE-2021-20991In Fibaro Home Center 2 and Lite devices with firmware versi…8.8
- CVE-2021-20992In Fibaro Home Center 2 and Lite devices in all versions pro…7.5
- CVE-2021-20993In multiple managed switches by WAGO in different versions t…5.3
- CVE-2021-20994In multiple managed switches by WAGO in different versions a…6.1
Are you affected by CVE-2021-20989?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST