CVE-2021-36225

State: Published
Severity: 8.8 High
Published: Feb 6, 2023
Updated: Mar 26, 2025
Reserved: Jul 8, 2021

Description

Western Digital My Cloud devices before OS5 allow REST API access by low-privileged accounts, as demonstrated by API commands for firmware uploads and installation.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://krebsonsecurity.com/2021/07/another-0-day-looms-for-many-western-digital-users/
https://www.youtube.com/watch?v=vsg9YgvGBec
https://github.com/pedrib/PoC/blob/master/advisories/Pwn2Own/Tokyo_2020/weekend_destroyer/weekend_destroyer.md

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.