{"schemaVersion":3,"id":"CVE-2023-22816","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A post-authentication remote command injection vulnerability in a CGI file in Western Digital My Cloud OS 5 devices that could allow an attacker to build files with redirects and execute larger payloads.\nThis issue affects My Cloud OS 5 devices: before 5.26.300.","dates":{"published":"2023-06-30T21:01:16.209Z","modified":"2024-09-09T14:39:16.112Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00866,"percentile":0.58047,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00866},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00866,"percentile":0.58047}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00866,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00866,"percentile":0.58047}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","description":"The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/78.html"},{"id":"CWE-77","name":"Improper Neutralization of Special Elements used in a Command ('Command Injection')","description":"The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/77.html"}],"affected":[{"vendor":"western digital","product":"my cloud os 5","name":"My Cloud OS 5","label":"my cloud os 5","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 5.26.300","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.26.300","eol":null,"hubHref":"/vendor/western_digital/my_cloud_os_5"},{"vendor":"westerndigital","product":"my_cloud_os","name":"my cloud os","label":"my_cloud_os","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 5.26.300","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.26.300","eol":null,"hubHref":"/vendor/westerndigital/my_cloud_os"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.westerndigital.com/support/product-security/wdc-23010-my-cloud-firmware-version-5-26-300","label":"www.westerndigital.com/support/product-security/wdc-23010-my-cloud-firmware-version-5-26-300","hostname":"www.westerndigital.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-06-30T21:01:16.209Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-09T14:39:16.112Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T08:28:40.992Z","stale":false,"partial":false}}