{"id":"CVE-2023-22816","aliases":["EUVD-2023-26928","GHSA-5fx6-86fq-8xxf"],"status":"published","title":"Limited Post-Authentication Remote Command Injection in My Cloud Products","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.","severity":{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00866,"percentile":0.59005,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77","CWE-78"],"published":"2023-06-30T21:01:16Z","modified":"2026-06-17T05:36:14Z","products":[{"vendor":"western digital","product":"my cloud os 5"},{"vendor":"westerndigital","product":"my_cloud_os"},{"vendor":"westerndigital","product":"my_cloud_os_5"}],"references":[{"url":"https://www.westerndigital.com/support/product-security/wdc-23010-my-cloud-firmware-version-5-26-300","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22816"},{"url":"https://github.com/advisories/GHSA-5fx6-86fq-8xxf"}],"sources":{"cve":[{"id":"CVE-2023-22816","title":"Limited Post-Authentication Remote Command Injection in My Cloud Products","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.","status":"published","published":"2023-06-30T21:01:16.209Z","modified":"2024-09-09T14:39:16.112Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:35:16.126506Z"}],"euvd":[{"id":"EUVD-2023-26928","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.","status":"published","published":"2023-06-30T21:01:16Z","modified":"2024-09-09T14:39:16Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:56:00.719005Z"}],"ghsa":[{"id":"GHSA-5fx6-86fq-8xxf","title":"A post-authentication remote command injection vulnerability in a CGI file in Western Digital My...","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.\n\n","status":"published","published":"2023-07-01T00:30:45Z","modified":"2024-09-06T00:32:20Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H","level":"medium"}],"cwes":["CWE-77","CWE-78"],"updated_at":"2026-11-02T14:58:10.812405Z"}],"nvd":[{"id":"CVE-2023-22816","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.","status":"published","published":"2023-06-30T22:15:09.883Z","modified":"2026-06-17T05:36:14.17Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-78","CWE-77"],"updated_at":"2026-11-02T14:08:14.715708Z"}]}}