title: Silicon Labs PC Controller Denial of Service Vulnerability
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.
problem types: CWE-345 Insufficient Verification of Data Authenticity
affected:
{
defaultStatus: unaffected
packageName: PC Controller
product: PC Controller
repo: https://github.com/SiliconLabs/gecko_sdk/releases
vendor: silabs.com
versions:
lessThanOrEqual: 5.54.0, status: affected, version: 0, versionType: LessThan
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: ADJACENT_NETWORK
availabilityImpact: HIGH
baseScore: 6.5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL