{"id":"CVE-2021-38489","aliases":["EUVD-2021-34870","GHSA-55q7-h555-p52r"],"status":"published","title":"HDD Password Stored In Plaintext","description":"HDD password plaintext is stored in a UEFI variable.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0016,"percentile":0.05228,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-256"],"published":"2026-09-03T02:25:11Z","modified":"2026-09-03T18:09:03Z","products":[{"vendor":"insyde software","product":"insydeh2o"}],"references":[{"url":"https://www.insyde.com/security-pledge/sa-2022025/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38489"},{"url":"https://www.insyde.com/security-pledge/sa-2022025"},{"url":"https://github.com/advisories/GHSA-55q7-h555-p52r"}],"sources":{"cve":[{"id":"CVE-2021-38489","title":"HDD Password Stored In Plaintext","description":"HDD password plaintext is stored in a UEFI variable.","status":"published","published":"2026-09-03T02:25:11.241Z","modified":"2026-09-03T13:02:37.267Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-256"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-34870","description":"HDD password plaintext is stored in a UEFI variable.","status":"published","published":"2026-09-03T02:25:11Z","modified":"2026-09-03T13:02:37Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:14.198061Z"}],"ghsa":[{"id":"GHSA-55q7-h555-p52r","title":"HDD password plaintext is stored in a UEFI variable.","description":"HDD password plaintext is stored in a UEFI variable.","status":"published","published":"2026-09-03T15:32:08Z","modified":"2026-09-03T15:32:09Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-256"],"updated_at":"2026-11-02T15:11:18.49317Z"}],"nvd":[{"id":"CVE-2021-38489","description":"HDD password plaintext is stored in a UEFI variable.","status":"published","published":"2026-09-03T13:04:10.943Z","modified":"2026-09-03T18:09:03.317Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-256"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}