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CVE-2021-36226

CRITICAL

9.8

Description

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

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/6/2023

Last Modified3/26/2025

Sourcenvd

Honeypot Sightings0

Affected Products

westerndigital:my_cloud_oswesterndigital:my_cloud_pr4100

Weaknesses (CWE)

CWE-347CWE-347

References

https://github.com/pedrib/PoC/blob/master/advisories/Pwn2Own/Tokyo_2020/weekend_destroyer/weekend_destroyer.md(cve@mitre.org)

https://krebsonsecurity.com/2021/07/another-0-day-looms-for-many-western-digital-users/(cve@mitre.org)

https://www.youtube.com/watch?v=vsg9YgvGBec(cve@mitre.org)

https://github.com/pedrib/PoC/blob/master/advisories/Pwn2Own/Tokyo_2020/weekend_destroyer/weekend_destroyer.md(af854a3a-2127-422b-91ae-364da2661108)

https://krebsonsecurity.com/2021/07/another-0-day-looms-for-many-western-digital-users/(af854a3a-2127-422b-91ae-364da2661108)

https://www.youtube.com/watch?v=vsg9YgvGBec(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.