Cyber Resilience

CVE-2020-9058

High

Published: 10 January 2022

Published
10 January 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0003 7.6th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-9058 is a high-severity Missing Encryption of Sensitive Data (CWE-311) vulnerability in Silabs 500 Series Firmware. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 7.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

silabs
500 series firmware
all versions
dome
dm501
4.26
jasco
zw4201
4.05
linear
lb60z-1
3.5

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-311

Privacy and security training stresses encryption of sensitive data, reducing missing encryption weaknesses.

addresses: CWE-311

Exchange agreements must document security requirements, which would include encryption to protect sensitive data in transit.

addresses: CWE-311

The map highlights data actions that involve sensitive data, enabling identification of missing encryption requirements.

addresses: CWE-311

Settings can require encryption of sensitive data, preventing missing encryption weaknesses.

addresses: CWE-311

Architectures must describe confidentiality protections, which includes mandating encryption for sensitive data in transit and at rest.

addresses: CWE-311

Privacy and security curricula stress encryption requirements, reducing missing encryption of sensitive data.

addresses: CWE-311

Requires encryption and similar controls for CUI processed or stored externally, preventing missing encryption of sensitive data.

addresses: CWE-311

Monitoring detects missing encryption of sensitive data in storage or transit configurations.

References