{"id":"CVE-2020-27158","aliases":["EUVD-2020-19682","GHSA-r4mg-wwf5-4w87"],"status":"published","title":"Addressed remote code execution vulnerability in cgi_api.php that allowed escalation of...","description":"Addressed remote code execution vulnerability in cgi_api.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.07498,"percentile":0.94533,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-78"],"published":"2020-10-27T19:46:01Z","modified":"2026-06-17T03:08:53Z","products":[{"vendor":"westerndigital","product":"my_cloud_firmware"}],"references":[{"url":"https://www.westerndigital.com/support/productsecurity","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://www.comparitech.com/blog/information-security/security-vulnerabilities-80000-devices-update-now/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27158"},{"url":"https://github.com/advisories/GHSA-r4mg-wwf5-4w87"}],"sources":{"cve":[{"id":"CVE-2020-27158","description":"Addressed remote code execution vulnerability in cgi_api.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114.","status":"published","published":"2020-10-27T19:46:01Z","modified":"2024-08-04T16:11:35.736Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-19682","description":"Addressed remote code execution vulnerability in cgi_api.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114.","status":"published","published":"2020-10-27T19:46:01Z","modified":"2024-08-04T16:11:35Z","updated_at":"2026-11-03T03:07:13.515696Z"}],"ghsa":[{"id":"GHSA-r4mg-wwf5-4w87","title":"Addressed remote code execution vulnerability in cgi_api.php that allowed escalation of...","description":"Addressed remote code execution vulnerability in cgi_api.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114.","status":"published","published":"2022-05-24T17:32:34Z","modified":"2023-01-29T05:04:35Z","cwes":["CWE-78","CWE-269"],"updated_at":"2026-11-02T14:45:35.654176Z"}],"nvd":[{"id":"CVE-2020-27158","description":"Addressed remote code execution vulnerability in cgi_api.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114.","status":"published","published":"2020-10-27T20:15:22.033Z","modified":"2026-06-17T03:08:53.013Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:21.80969Z"}]}}