Auth bypass in Fibar Group S.a Fibaro Home Center
CVE-2021-20990
In 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 endpoints could be accessed without authentication to trigger a shutdown, a reboot or a reboot into recovery mode.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.034 (88.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000
Affected products
- Fibar Group S.a Fibaro Home Center — versions Home Center 2, Home Center Lite
- Fibaro Home Center 2
- Fibaro Home Center 2 Firmware
- Fibaro Home Center Lite
- Fibaro Home Center Lite Firmware
Weakness classification (CWE)
References
- www.iot-inspector.com/blog/advisory-fibaro-home-center/ (Exploit, Third Party Advisory)
- seclists.org/fulldisclosure/2021/Apr/27 (mailing-list, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/162243/Fibaro-Home-Center-MITM-Missing-Authentica… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20990?
- CVE-2021-20990 is a high-severity vulnerability in Fibar Group S.a Fibaro Home Center, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2021-04-19.
- How severe is CVE-2021-20990?
- High severity. CVSS v3 base score is 7.5 out of 10.