CVE-2021-36225 - Vulnerability Details - OpenCVE

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.

Published: 2023-02-06

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:westerndigital:my_cloud_os:*:*:*:*:*:*:*:*

cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-22845	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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00358.

Exploitation none

Automatable no

Technical Impact partial

References

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

History

Wed, 26 Mar 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Westerndigital My Cloud Os My Cloud Pr4100

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-02-06T00:00:00.000Z

Updated: 2025-03-26T18:39:27.824Z

Reserved: 2021-07-08T00:00:00.000Z

Link: CVE-2021-36225

Vulnrichment

Updated: 2024-08-04T00:54:50.627Z

NVD

Status : Modified

Published: 2023-02-06T14:15:08.920

Modified: 2025-03-26T19:15:14.987

Link: CVE-2021-36225

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-862

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