CVE-2021-36226

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

06/02/2023

Last modified:

26/03/2025

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:westerndigital:my_cloud_os::::::::		5.02.104 (excluding)
cpe:2.3:h:westerndigital:my_cloud_pr4100:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-36226

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools