{"id":"CVE-2017-17560","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-17560","generatedAt":"2026-10-29T00:34:18.417Z","title":"This allows an attacker the ability to upload a PHP shell onto the device and obtain arbitrary code execution as root.","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.","published":"2017-12-12T18:29:00.000Z","lastModified":"2026-06-17T01:11:16.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-287"],"affected":["westerndigital/my cloud pr4100 firmware"],"epss":{"score":0.73404,"percentile":0.99461,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.64103,"percentile":0.99217},{"date":"2026-09-22","score":0.73404,"percentile":0.99441}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2017-12-18","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43356,"kind":"exploit","title":"Western Digital MyCloud - 'multi_uploadify' File Upload (Metasploit)","url":"https://www.exploit-db.com/exploits/43356","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/remote/43356.rb","file":"exploits/php/remote/43356.rb","published":"2017-12-18","added":"2017-12-18","updated":"2017-12-18","author":"Metasploit","type":"remote","platform":"php","port":null,"verified":true,"codes":["CVE-2017-17560"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/rapid7/metasploit-framework/c6a2ae2551af262e42c9b14ac3d212c978f7dbf2/modules/exploits/linux/http/wd_mycloud_multiupload_upload.rb"}]},"verdict":{"level":"urgent","text":"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."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.73404,"from":0.64103,"percentile":0.99441},"summary":"EPSS moved from 64.1% to 73.4% probability of exploitation in the next thirty days."}],"references":[{"url":"https://download.exploitee.rs/file/generic/Exploiteers-DEFCON25.pdf","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/rapid7/metasploit-framework/pull/9248","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/43356/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://download.exploitee.rs/file/generic/Exploiteers-DEFCON25.pdf","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/rapid7/metasploit-framework/pull/9248","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/43356/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-17560","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}