High severity8.4NVD Advisory· Published Dec 12, 2022· Updated Jun 17, 2026

CVE-2021-3661

Description

A potential security vulnerability has been identified in certain HP Workstation BIOS (UEFI firmware) which may allow arbitrary code execution. HP is releasing firmware mitigations for the potential vulnerability.

Affected products

Microfocus/Workstation BIOSllm-create
HP Inc./HP Workstation BIOSv5
Range: See HP Security Bulletin reference for affected versions.

Patches

Vulnerability mechanics

References

support.hp.com/us-en/document/ish_5670997-5671021-16/hpsbhf03770nvdVendor Advisory

News mentions

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