CVE-2021-36226

PoC ×3—

CVSS 3.1

9.8 critical

EPSS

<1%p55

Published

Feb 6, 2023 (Feb 6, 2023)

Modified

Jun 17, 2026

Description

Western Digital My Cloud devices before OS5 do not use cryptographically signed Firmware upgrade files.

Vendors: westerndigital
Products: my cloud os
Weakness: CWE-347
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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