Vulnerability CVE-2020-9060


Published: 2022-01-10

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.

Type:

CWE-400

(Uncontrolled Resource Consumption ('Resource Exhaustion'))

CVSS2 => (AV:A/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.1/10
6.9/10
6.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
ZOOZ -> Zen20 
ZOOZ -> Zen25 
ZOOZ -> Zst10 
Silabs -> 500 series firmware 
Fibaro -> Fgwpb-111 
Aeotec -> Zw090-a 

 References:
https://github.com/CNK2100/VFuzz-public
https://kb.cert.org/vuls/id/142629
https://ieeexplore.ieee.org/document/9663293
https://doi.org/10.1109/ACCESS.2021.3138768
https://www.kb.cert.org/vuls/id/142629

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