# CVE-2021-43613

## Summary

- **CVE ID:** CVE-2021-43613
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N)
- **CWE:** CWE-732
- **Published:** Sep 3, 2026
- **Last Modified:** Sep 3, 2026

## Description

An issue was discovered in SysPasswordDxe in Insyde InsydeH2O. User and administrator password hashes are exposed in runtime UEFI variables, leading to escalation of privilege

## Affected Products

- Insyde Software — InsydeH2O (See in the Solution)

## References

- [CNA](https://www.insyde.com/security-pledge/sa-2022027/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.11%
- **EPSS Percentile:** 1.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._