Vulnerability CVE-2020-10137


Published: 2022-01-10

Description:
Z-Wave devices based on Silicon Labs 700 series chipsets using S2 do not adequately authenticate or encrypt FIND_NODE_IN_RANGE frames, allowing a remote, unauthenticated attacker to inject a FIND_NODE_IN_RANGE frame with an invalid random payload, denying service by blocking the processing of upcoming events.

Type:

CWE-345

(Insufficient Verification of Data Authenticity)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
2.9/10
6.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Silabs -> Uzb-7 
Silabs -> 700 series firmware 

 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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