CVE-2023-22813: Westerndigital My Cloud

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

A device API endpoint was missing access controls on Western Digital My Cloud OS 5 iOS and Anroid Mobile Apps, My Cloud Home iOS and Android Mobile Apps, SanDisk ibi iOS and Android Mobile Apps, My Cloud OS 5 Web App, My Cloud Home Web App and the SanDisk ibi Web App. Due to a permissive CORS policy and missing authentication requirement for private IPs, a remote attacker on the same network as the device could obtain device information by convincing a victim user to visit an attacker-controlled server and issue a cross-site request. This issue affects My Cloud OS 5 Mobile App: before 4.21.0; My Cloud Home Mobile App: before 4.21.0; ibi Mobile App: before 4.21.0; My Cloud OS 5 Web App: before 4.26.0-6126; My Cloud Home Web App: before 4.26.0-6126; ibi Web App: before 4.26.0-6126.

Affected products

• Westerndigital My Cloud: before 4.26.0-6126 (fixed in 4.26.0-6126)
• Westerndigital My Cloud Home: before 4.21.0 (fixed in 4.21.0); before 4.26.0-6126 (fixed in 4.26.0-6126)
• Westerndigital My Cloud OS 5: before 4.21.0 (fixed in 4.21.0)
• Westerndigital Sandisk Ibi: before 4.21.0 (fixed in 4.21.0); before 4.26.0-6126 (fixed in 4.26.0-6126)

Published 2023-05-08. Last modified 2026-06-17.