Description
Western Digital My Cloud, My Cloud Mirror Gen2, My Cloud EX2 Ultra, My Cloud EX2100, My Cloud EX4100, My Cloud DL2100, My Cloud DL4100, My Cloud PR2100 and My Cloud PR4100 firmware before 2.31.174 is affected by an unauthenticated file upload vulnerability. The page web/jquery/uploader/uploadify.php can be accessed without any credentials, and allows uploading arbitrary files to any location on the attached storage.
References (4)
Core 4
Core References
Release Notes, Third Party Advisory x_refsource_confirm
https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-174-3-26-19/235932
Third Party Advisory x_refsource_confirm
https://support.wdc.com/downloads.aspx?g=2702&lang=en
Various Sources x_refsource_misc
https://bnbdr.github.io/posts/wd/
Scores
CVSS v3
9.8
EPSS
0.0096
EPSS Percentile
76.6%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-434
Status
published
Products (9)
western_digital/my_cloud_dl2100
< 2.31.174
western_digital/my_cloud_dl4100_firmware
< 2.31.174
western_digital/my_cloud_ex2100_firmware
< 2.31.174
western_digital/my_cloud_ex2_ultra_firmware
< 2.31.174
western_digital/my_cloud_ex4100
< 2.31.174
western_digital/my_cloud_firmware
< 2.31.174
western_digital/my_cloud_mirror_gen_2_firmware
< 2.31.174
western_digital/my_cloud_pr2100_firmware
< 2.31.174
western_digital/my_cloud_pr4100
< 2.31.174
Published
Apr 24, 2019
Tracked Since
Feb 18, 2026