CVE-2017-17560

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered on Western Digital MyCloud PR4100 2.30.172 devices. The web administration component, /web/jquery/uploader/multi_uploadify.php, provides multipart upload functionality that is accessible without authentication and can be used to place a file anywhere on the device's file system. This allows an attacker the ability to upload a PHP shell onto the device and obtain arbitrary code execution as root.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://download.exploitee.rs/file/generic/Exploiteers-DEFCON25.pdfExploit, Third Party Advisory
https://github.com/rapid7/metasploit-framework/pull/9248Third Party Advisory
https://www.exploit-db.com/exploits/43356/Exploit, Third Party Advisory, VDB Entry
https://download.exploitee.rs/file/generic/Exploiteers-DEFCON25.pdfExploit, Third Party Advisory
https://github.com/rapid7/metasploit-framework/pull/9248Third Party Advisory
https://www.exploit-db.com/exploits/43356/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Dec 12, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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