How severe is CVE-2020-9550?

CVE-2020-9550 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9550?

CVE-2020-9550 affects Rubetek Smarthome Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9550?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-9550 published?

CVE-2020-9550 was published on 2020-03-04 and last updated on 2026-06-17.

CVE-2020-9550

CVE-2020-9550 is a critical-severity vulnerability in Rubetek Smarthome Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Rubetek Smarthome Firmware
Published: 2020-03-04
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2020-9550?: CVE-2020-9550 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9550?: CVE-2020-9550 affects Rubetek Smarthome Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9550?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-9550 published?: CVE-2020-9550 was published on 2020-03-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:rubetek:smarthome_firmware:2020:*:*:*:*:*:*:*

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