Medium severity · published Feb 21, 2024
CVE-2023-6533
Silicon Labs PC Controller Denial of Service Vulnerability
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
Malformed Device Reset Locally Command Class packets can be sent to the controller, causing the controller to assume the end device has left the network. After this, frames sent by the end device will not be acknowledged by the controller. This vulnerability exists in 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 16% 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-2023-6533
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6533
Permissions Required
https://community.silabs.com/068Vm000001HdNm
More from PC Controller
6.5
CVE-2023-6640
Silicon Labs PC Controller v5.54.0 and Earlier Denial of Service Vulnerability