CVE-2021-28653

MEDIUM 6.5CVE-2021-28653 · Published 19/03/2021 · updated 17/06/2026

In short

CVE-2021-28653 is a MEDIUM (CVSS 6.5) vulnerability affecting armorlock (westerndigital).
Chance of exploitation in the next 30 days (EPSS): 0.92%, higher than 60.3% of all vulnerabilities.
Fix: update to 1.4.1 or later.

Package	Affected versions	Patched versions
armorlock westerndigital	`< 1.4.1`	`1.4.1`

Description

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.

References

westerndigital.com/support/productsecurity/wdc-21003-armorLock-insecure-key-storage-vulnerability · Vendor Advisory

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