title: Unauthorized Access Vulnerability in Syska SW100 Smartwatch
description: The vulnerability exists in Syska SW100 Smartwatch due to an improper implementation and/or configuration of Nordic Device Firmware Update (DFU) which is used for performing Over-The-Air (OTA) firmware updates on the Bluetooth Low Energy (BLE) devices. An unauthenticated attacker could exploit this vulnerability by setting arbitrary values to handle on the vulnerable device over Bluetooth.
Successful exploitation of this vulnerability could allow the attacker to perform firmware update, device reboot or data manipulation on the target device.
problem types: CWE-862 Missing Authorization
affected:
{
defaultStatus: unaffected
product: Syska SW100 Smartwatch
vendor: Syska Led Lights Pvt Ltd
versions:
lessThanOrEqual: V2, status: affected, version: 0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: ADJACENT_NETWORK
availabilityImpact: HIGH
baseScore: 8.1
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Apply mitigations as per vendor instructions or discontinue use of the product if mitigations are unavailable.