CVE-2020-9059

Name: CVE-2020-9059
Creator: NVD / NIST
Published: 2022-01-10T14:10:16.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2020-9059 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Z-Wave devices based on Silicon Labs 500 series chipsets using S0 authentication are susceptible to uncontrolled resource consumption leading to battery exhaustion. As an example, the Schlage BE468 version 3.42 door lock is vulnerable and fails open at a low battery level.. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

Z-Wave devices based on Silicon Labs 500 series chipsets using S0 authentication are susceptible to uncontrolled resource consumption leading to battery exhaustion. As an example, the Schlage BE468 version 3.42 door lock is vulnerable and fails open at a low battery level.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.85%

53.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Silabs	500 Series Firmware	All versions
Schlage	Be468	3.42

References

https://doi.org/10.1109/ACCESS.2021.3138768Broken Link
https://github.com/CNK2100/VFuzz-publicThird Party Advisory
https://ieeexplore.ieee.org/document/9663293Broken Link
https://kb.cert.org/vuls/id/142629Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/142629Third Party Advisory, US Government Resource
https://doi.org/10.1109/ACCESS.2021.3138768Broken Link
https://github.com/CNK2100/VFuzz-publicThird Party Advisory
https://ieeexplore.ieee.org/document/9663293Broken Link
https://kb.cert.org/vuls/id/142629Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/142629Third Party Advisory, US Government Resource

Timeline

Published: Jan 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9059?

How severe is CVE-2020-9059?

CVE-2020-9059 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9059?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9059?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST