BIOS Vulnerability in EDK2 by Tianocore Impacting Security Mechanisms
CVE-2025-3770

7HIGH

Key Information:

Vendor

Tianocore

Status
Edk2
Vendor
CVE Published:
7 August 2025

What is CVE-2025-3770?

Tianocore's EDK2 contains a critical vulnerability in its BIOS implementation, which could allow an attacker with local access to exploit 'Protection Mechanism Failure'. This could facilitate arbitrary code execution, compromising key security tenets such as confidentiality, integrity, and availability of the system.

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Affected Version(s)

EDK2 0

References

https://github.com/tianocore/edk2/security/advisories/GHS...

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Christopher Domas
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