CVE-2021-28653: Westerndigital Armorlock

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

The iOS and macOS apps before 1.4.1 for the Western Digital G-Technology ArmorLock NVMe SSD store keys insecurely. They choose a non-preferred storage mechanism if the device has Secure Enclave support but lacks biometric authentication hardware.

Affected products

• Westerndigital Armorlock: before 1.4.1 (fixed in 1.4.1)

Published 2021-03-19. Last modified 2026-06-17.