CVE-2019-9951

high-risk
Published 2019-04-24

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.

Do I need to act?

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0.96% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (9)

My Cloud Ex2 Ultra Firmware
My Cloud Firmware

Affected Vendors

Western Digital

References (8)

https://bnbdr.github.io/posts/wd/
Release Notes https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-174-3-26-...
https://github.com/bnbdr/wd-rce/
Third Party Advisory https://support.wdc.com/downloads.aspx?g=2702&lang=en
https://bnbdr.github.io/posts/wd/
Release Notes https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-174-3-26-...
https://github.com/bnbdr/wd-rce/
Third Party Advisory https://support.wdc.com/downloads.aspx?g=2702&lang=en
50
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 3/34 · Minimal
Exposure 15/34 · Moderate