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CVE-2017-17560

An issue was discovered on Western Digital MyCloud PR4100 2.30.172 devices. The web...

9.8 CriticalPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

73.4%Up 39.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

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.

Record
CVE-2017-17560
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-287
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2017-17560
Updated
2026-11-02
EUVDEUVD-2017-8718 No score

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.

Record
EUVD-2017-8718
Updated
2026-11-03
GitHub AdvisoriesGHSA-gchv-qvcf-v9x3 9.8

An issue was discovered on Western Digital MyCloud PR4100 2.30.172 devices. The web...

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.

Record
GHSA-gchv-qvcf-v9x3
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-287
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-17560 is a critical vulnerability (CVSS 9.8) in Westerndigital My Cloud Pr4100 Firmware, published December 12, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 73.4%, the 99th percentile. No source names a fixed version.

References

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