CVE-2021-36226

CRITICAL

Western Digital My Cloud <OS5 - Info Disclosure

Title source: llm
STIX 2.1

Description

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

References (3)

Core 3

Scores

CVSS v3 9.8
EPSS 0.0023
EPSS Percentile 45.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-347
Status published
Products (1)
westerndigital/my_cloud_os < 5.02.104
Published Feb 06, 2023
Tracked Since Feb 18, 2026