Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to create arbitrary shares on arbitrary directories and exfiltrate sensitive files, passwords, users and device configurations was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This can only be exploited once an attacker gains root privileges on the devices using an authentication bypass issue or another vulnerability.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
0.0077
EPSS Percentile
50.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/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