CVE-2021-38489

HDD Password Stored In Plaintext

Published Sep 3, 2026 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Description
HDD password plaintext is stored in a UEFI variable.

Remediation

Vendor Solution

Kernel 5.1: Version 05.17.12 Kernel 5.2: Version 05.27.12 Kernel 5.3: Version 05.36.12 Kernel 5.4: Version 05.43.51 Kernel 5.5: Version 05.51.51

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Insyde Software
Insyde Software insydeh2o
Vendors & Products Insyde Software
Insyde Software insydeh2o
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description HDD password plaintext is stored in a UEFI variable.
Title HDD Password Stored In Plaintext
Weaknesses CWE-256
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Insyde
Published
Updated
Sep 3, 2026, 1:02 PM
Reserved
Aug 10, 2021, 7:30 PM
Status
Awaiting Analysis
Published
Sep 3, 2026, 1:04 PM
Modified
Sep 3, 2026, 6:09 PM