What is CVE-2020-9550?

CVE-2020-9550 is a critical-severity vulnerability in Rubetek Smarthome, classified under Cleartext Transmission of Sensitive Information. CVSS score: 9.8/10. Published 2020-03-04.

How severe is CVE-2020-9550?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Rubetek Smarthome

CVE-2020-9550

Rubetek SmartHome 2020 devices use unencrypted 433 MHz communication between controllers and beacons, allowing an attacker to sniff and spoof beacon requests remotely.

Published 2020-03-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (53.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Rubetek Smarthome
Rubetek Smarthome Firmware — versions 2020

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

rubetek.com/ (Vendor Advisory)
pastebin.com/CckKKJcM (Third Party Advisory)

Frequently asked questions

What is CVE-2020-9550?: CVE-2020-9550 is a critical-severity vulnerability in Rubetek Smarthome, classified under Cleartext Transmission of Sensitive Information. CVSS score: 9.8/10. Published 2020-03-04.
How severe is CVE-2020-9550?: Critical severity. CVSS v3 base score is 9.8 out of 10.