Vulnerability Monitor

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CVE-2017-17560

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.

Published

2017-12-12T18:29:00.230

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	westerndigital	my_cloud_pr4100_firmware	2.30.172	Yes
Hardware	westerndigital	my_cloud_pr4100	-	No

References

https://download.exploitee.rs/file/generic/Exploiteers-DEFCON25.pdf Exploit, Third Party Advisory ([email protected])
https://github.com/rapid7/metasploit-framework/pull/9248 Third Party Advisory ([email protected])
https://www.exploit-db.com/exploits/43356/ Exploit, Third Party Advisory, VDB Entry ([email protected])
https://download.exploitee.rs/file/generic/Exploiteers-DEFCON25.pdf Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/rapid7/metasploit-framework/pull/9248 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/43356/ Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)