Medium severity · published Jan 10, 2022
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…
6.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
5S
500 Series Firmware · Silabs
All versions, or not specified · source: NVD
FG
Fgwpb-111 · Fibaro
4.3 · source: NVD
ZE
Zen20 · Zooz
5.03 · source: NVD
ZE
Zen25 · Zooz
5.03 · source: NVD
ZS
Zst10 · Zooz
6.04 · source: NVD
ZW
Zw090-a · Aeotec
3.95 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-9060
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-9060
Broken Link
https://doi.org/10.1109/ACCESS.2021.3138768
Third Party Advisory
https://github.com/CNK2100/VFuzz-public
Broken Link
https://ieeexplore.ieee.org/document/9663293
Third Party Advisory
https://kb.cert.org/vuls/id/142629
Third Party Advisory
https://www.kb.cert.org/vuls/id/142629
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