How severe is CVE-2020-9058?

CVE-2020-9058 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-9058 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9058?

CVE-2020-9058 primarily affects Silabs 500 Series Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9058?

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

When was CVE-2020-9058 published?

CVE-2020-9058 was published on 2022-01-10 and last updated on 2026-06-17.

CVE-2020-9058

CVE-2020-9058 is a high-severity vulnerability in Silabs 500 Series Firmware with a CVSS 3.x base score of 8.1. 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-311.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 4.8
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Silabs 500 Series Firmware
Published: 2022-01-10
Last modified: 2026-06-17

Description

Z-Wave devices based on Silicon Labs 500 series chipsets using CRC-16 encapsulation, including but likely not limited to the Linear LB60Z-1 version 3.5, Dome DM501 version 4.26, and Jasco ZW4201 version 4.05, do not implement encryption or replay protection.

Frequently asked questions

What is CVE-2020-9058?: Z-Wave devices based on Silicon Labs 500 series chipsets using CRC-16 encapsulation, including but likely not limited to the Linear LB60Z-1 version 3.5, Dome DM501 version 4.26, and Jasco ZW4201 version 4.05, do not implement encryption or replay protection.
How severe is CVE-2020-9058?: CVE-2020-9058 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-9058 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9058?: CVE-2020-9058 primarily affects Silabs 500 Series Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9058?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-9058 published?: CVE-2020-9058 was published on 2022-01-10 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:silabs:500_series_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dome:dm501:4.26:*:*:*:*:*:*:*
cpe:2.3:o:jasco:zw4201:4.05:*:*:*:*:*:*:*
cpe:2.3:o:linear:lb60z-1:3.5:*:*:*:*:*:*:*

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