# CVE-2021-38489

## Summary

- **CVE ID:** CVE-2021-38489
- **Severity:** HIGH
- **CVSS Score:** 8.2 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** CWE-256
- **Published:** Sep 3, 2026
- **Last Modified:** Sep 3, 2026

## Description

HDD password plaintext is stored in a UEFI variable.

## Affected Products

- Insyde Software — InsydeH2O (See in the Solution)

## References

- [CNA](https://www.insyde.com/security-pledge/sa-2022025/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.12%
- **EPSS Percentile:** 2.2

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._