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Back to active CVEs
High · CVSS 8.2CVE-2021-38489

HDD Password Stored In PlaintextCVE-2021-38489

Answer in brief

CVE-2021-38489 records a High severity (CVSS 8.2) vulnerability in HDD Password Stored In Plaintext. The current sources do not mark it as known exploited. The current feed maps Insyde Software/InsydeH2O (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 3, 2026Updated Sep 3, 2026Source checked Oct 18, 2026First seen by HOL Sep 3, 2026Material review Sep 3, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.2
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Insyde Software/InsydeH2O (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Insyde Software/InsydeH2OgenericSee in the SolutionNot reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Insyde Software/InsydeH2O.
  2. 2Review the reported fix. Source-reported 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

Evidence timeline and material changes

  1. Published upstream

    Sep 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 3, 2026

Sources and claim methodology

  • Source referenceinsyde.com
Upstream source description

HDD password plaintext is stored in a UEFI variable.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-256
Source
CVE List V5
Source checked
Oct 18, 2026
References
1 linked source
Open source record