# CVE-2021-33158

## Summary

- **CVE ID:** CVE-2021-33158
- **Severity:** HIGH
- **CVSS Score:** 7.2 (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H)
- **CWE:** CWE-86
- **Published:** May 16, 2024
- **Last Modified:** Mar 13, 2026

## Description

Improper neutralization in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow a privileged user to potentially enable escalation of privilege via local access.

## Affected Products

- n/a — Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware (See references)

## References

- [CNA](https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00756.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.04%
- **EPSS Percentile:** 12.7

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