CVE-2020-9060

Name: CVE-2020-9060
Creator: NVD / NIST
Published: 2022-01-10T14:10:16.38+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2020-9060 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Z-Wave devices based on Silicon Labs 500 series chipsets using S2, including but likely not limited to the ZooZ ZST10 version 6.04, ZooZ ZEN20 version 5.03, ZooZ ZEN25 version 5.03, Aeon Labs ZW090-A version 3.95, and Fibaro FGWPB-111 version 4.3, are susceptible to denial of service and resource exhaustion via malformed SECURITY NONCE GET, SECURITY NONCE GET 2, NO OPERATION, or NIF REQUEST messages.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

Z-Wave devices based on Silicon Labs 500 series chipsets using S2, including but likely not limited to the ZooZ ZST10 version 6.04, ZooZ ZEN20 version 5.03, ZooZ ZEN25 version 5.03, Aeon Labs ZW090-A version 3.95, and Fibaro FGWPB-111 version 4.3, are susceptible to denial of service and resource exhaustion via malformed SECURITY NONCE GET, SECURITY NONCE GET 2, NO OPERATION, or NIF REQUEST messages.

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

0.53%

40.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Silabs	500 Series Firmware	All versions
Aeotec	Zw090-A	3.95
Fibaro	Fgwpb-111	4.3
Zooz	Zen20	5.03
Zooz	Zen25	5.03
Zooz	Zst10	6.04

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-2020-9060?

How severe is CVE-2020-9060?

CVE-2020-9060 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9060?

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-2020-9060?

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

Scan your code now

Source: NVD / NIST