CVE-2019-9951

Name: CVE-2019-9951
Creator: NVD / NIST
Published: 2019-04-24T18:29:01.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.68%

Last modified Jun 17, 2026

CVE-2019-9951 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.68%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Western Digital	My Cloud Mirror Gen 2 Firmware	< 2.31.174
Western Digital	My Cloud Ex2 Ultra Firmware	< 2.31.174
Western Digital	My Cloud Ex2100 Firmware	< 2.31.174
Western Digital	My Cloud Ex4100	< 2.31.174
Western Digital	My Cloud Dl2100	< 2.31.174
Western Digital	My Cloud Dl4100 Firmware	< 2.31.174
Western Digital	My Cloud Pr2100 Firmware	< 2.31.174
Western Digital	My Cloud Pr4100	< 2.31.174
Western Digital	My Cloud Firmware	< 2.31.174

References

https://bnbdr.github.io/posts/wd/
https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-174-3-26-19/235932Release Notes, Third Party Advisory
https://github.com/bnbdr/wd-rce/
https://support.wdc.com/downloads.aspx?g=2702&lang=enThird Party Advisory
https://bnbdr.github.io/posts/wd/
https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-174-3-26-19/235932Release Notes, Third Party Advisory
https://github.com/bnbdr/wd-rce/
https://support.wdc.com/downloads.aspx?g=2702&lang=enThird Party Advisory

Timeline

Published: Apr 24, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-9951?

How severe is CVE-2019-9951?

Severity scoring for CVE-2019-9951 is pending analysis. The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2019-9951?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-9951?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST