Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to write files to locations with certain critical filesystem types leading to remote code execution was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This issue requires an authentication bypass issue to be triggered before this can be exploited. This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191; ibi: before 9.4.0-191; My Cloud OS 5: before 5.26.202.
References (2)
Core 2
Core References
Release Notes, Vendor Advisory
https://www.westerndigital.com/support/product-security/wdc-23003-western-digital-my-cloud-home-my-cloud-home-duo-and-sandisk-ibi-firmware-version-9-4-0-191
Release Notes, Vendor Advisory
https://www.westerndigital.com/support/product-security/wdc-23006-my-cloud-firmware-version-5-26-202
Scores
CVSS v3
5.8
EPSS
0.0147
EPSS Percentile
70.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (4)
westerndigital/my_cloud_home_duo_firmware
< 9.4.0-191
westerndigital/my_cloud_home_firmware
< 9.4.0-191
westerndigital/my_cloud_os_5
< 5.26.202
westerndigital/sandisk_ibi_firmware
< 9.4.0-191
Published
May 18, 2023
Tracked Since
Feb 18, 2026