CVE-2021-38489 - Vulnerability Details - OpenCVE

Description

HDD password plaintext is stored in a UEFI variable.

Published: 2026-09-03

Score: 8.2 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Insyde Software

InsydeH2O

unaffected

Version	Status	Constraints
`See in the Solution`	affected	—

No data.

No data.

No data available yet.

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 yet.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0016.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://www.insyde.com/security-pledge/sa-2022025/

History

Thu, 03 Sep 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Thu, 03 Sep 2026 03:30:00 +0000

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		https://www.insyde.com/security-pledge/sa-2022025/
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'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: Insyde

Published: 2026-09-03T02:25:11.241Z

Updated: 2026-09-03T13:02:37.267Z

Reserved: 2021-08-10T19:30:25.949Z

Link: CVE-2021-38489

Vulnrichment

Updated: 2026-09-03T13:02:33.657Z

NVD

Status : Received

Published: 2026-09-03T13:04:10.943

Modified: 2026-09-03T14:16:58.773

Link: CVE-2021-38489

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-09-03T10:30:12Z

Weaknesses

CWE-256

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