What’s Vulnerable › Vulnerabilities

CVE-2021-28653

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-19 · updated 2026-06-17
• Weakness: CWE-922

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.

Affected products

• Westerndigital Armorlock: before 1.4.1 — fixed in 1.4.1

How to fix

Upgrade to a fixed version: Westerndigital Armorlock 1.4.1. Check the vendor advisory for mitigations.

References

• https://www.westerndigital.com/support/productsecurity/wdc-21003-armorLock-insecure-key-storage-vulnerability
• https://www.westerndigital.com/support/productsecurity/wdc-21003-armorLock-insecure-key-storage-vulnerability

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