Medium severity · published Feb 21, 2024
CVE-2023-6640
Silicon Labs PC Controller v5.54.0 and Earlier Denial of Service Vulnerability
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
Malformed S2 Nonce Get Command Class packets can be sent to crash PC Controller v5.54.0 and earlier.
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)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
PC Controller · silabs.com
through 5.54.0 · source: vendor
ZP
Z-wave Pc-based Controller · Silabs
through 5.54 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6640
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6640
Permissions Required
https://community.silabs.com/068Vm000001HdNm
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