title: Limited Post-Authentication Remote Command Injection in My Cloud Products
description: A post-authentication remote command injection vulnerability in a CGI file in Western Digital My Cloud OS 5 devices that could allow an attacker to build files with redirects and execute larger payloads.
This issue affects My Cloud OS 5 devices: before 5.26.300.
problem types: CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
affected:
{
defaultStatus: unaffected
platforms: Linux
product: My Cloud OS 5
vendor: Western Digital
versions:
lessThan: 5.26.300, status: affected, version: 0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 6
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: HIGH
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Western Digital recommends that users promptly update their devices to the latest firmware by clicking on the firmware update notification.