Vulnerability Monitor

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CVE-2020-9060

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 6 products from silabs, from aeotec, from fibaro and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2022-01-10T14:10:16.380

Last Modified

2024-11-21T05:39:56.113

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:C

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

6.5

Impact Score

6.9

Weaknesses

Type: Secondary
CWE-346
CWE-400
Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	silabs	500_series_firmware	*	Yes
Operating System	aeotec	zw090-a	3.95	Yes
Operating System	fibaro	fgwpb-111	4.3	Yes
Operating System	zooz	zen20	5.03	Yes
Operating System	zooz	zen25	5.03	Yes
Operating System	zooz	zst10	6.04	Yes

References

https://doi.org/10.1109/ACCESS.2021.3138768 Broken Link ([email protected])
https://github.com/CNK2100/VFuzz-public Third Party Advisory ([email protected])
https://ieeexplore.ieee.org/document/9663293 Broken Link ([email protected])
https://kb.cert.org/vuls/id/142629 Third Party Advisory, US Government Resource ([email protected])
https://www.kb.cert.org/vuls/id/142629 Third Party Advisory, US Government Resource ([email protected])
https://doi.org/10.1109/ACCESS.2021.3138768 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/CNK2100/VFuzz-public Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://ieeexplore.ieee.org/document/9663293 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://kb.cert.org/vuls/id/142629 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://www.kb.cert.org/vuls/id/142629 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For silabs's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.