High (8.8) in westerndigital my cloud os. EPSS 1.0% chance of exploitation in the next 30 days.
Western Digital My Cloud devices before OS5 allow REST API access by low-privileged accounts, as demonstrated by API commands for firmware uploads and installation.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.0% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)