CVE-2017-17560
This allows an attacker the ability to upload a PHP shell onto the device and obtain arbitrary code execution as root.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 73.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 73.40% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- westerndigital/my cloud pr4100 firmware
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.