CVE-2020-27159: Westerndigital My Cloud Firmware

Critical severity, CVSS 9.8. EPSS: 6.2% chance of exploitation in the next 30 days.

Addressed remote code execution vulnerability in DsdkProxy.php due to insufficient sanitization and insufficient validation of user input in Western Digital My Cloud NAS devices prior to 5.04.114

Affected products

• Westerndigital My Cloud Firmware: before 5.04.114 (fixed in 5.04.114)

Published 2020-10-27. Last modified 2026-06-17.