title: Insufficient Verification of Data Authenticity Remote Code Execution Vulnerability on Western Digital My Cloud devices.
description: A remote code execution vulnerability was discovered on Western Digital My Cloud devices where an attacker could trick a NAS device into loading through an unsecured HTTP call. This was a result insufficient verification of calls to the device. The vulnerability was addressed by disabling checks for internet connectivity using HTTP.
problem types: CWE-345 Insufficient Verification of Data Authenticity
affected:
{
product: My Cloud
vendor: Western Digital
versions:
lessThan: 5.19.117, status: affected, version: My Cloud OS 5, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: ADJACENT_NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: Update your My Cloud device to firmware version 5.19.117.