# CVE-2021-43614

## Summary

- **CVE ID:** CVE-2021-43614
- **Severity:** MEDIUM
- **CVSS Score:** 6.7 (CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:L)
- **CWE:** N/A
- **Published:** Sep 3, 2026
- **Last Modified:** Sep 3, 2026

## Description

Error in handling the PlatformLangCodes UEFI variable could cause a buffer overflow, leading to resource exhaustion and failure.

## Affected Products

- Insyde Software — InsydeH2O (InsydeH2OUvePkg)

## References

- [CNA](https://www.insyde.com/security-pledge/sa-2022026/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.13%
- **EPSS Percentile:** 3.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._