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.
References (3)
Core 3
Core References
Exploit, Patch, Third Party Advisory
https://github.com/pedrib/PoC/blob/master/advisories/Pwn2Own/Tokyo_2020/weekend_destroyer/weekend_destroyer.md
Exploit, Patch, Third Party Advisory
https://krebsonsecurity.com/2021/07/another-0-day-looms-for-many-western-digital-users/
Exploit, Patch, Third Party Advisory
https://www.youtube.com/watch?v=vsg9YgvGBec
Scores
CVSS v3
8.8
EPSS
0.0036
EPSS Percentile
58.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-862
Status
published
Products (1)
westerndigital/my_cloud_os
< 5.02.104
Published
Feb 06, 2023
Tracked Since
Feb 18, 2026