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Even More Holes In Your Boot: Critical UEFI Secure Boot Bypass Vulnerabilities
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Several serious vulnerabilities in the UEFI firmware of different manufacturers allow attackers to bypass Secure Boot or replace firmware. Causes are unsafe NVRAM variables that are treated as trustworthy by the BIOS even though they are manipulable. Proof-of-concept code is publicly available, BIOS updates are in progress. Secure Boot is a security mechanism of modern UEFI systems to ensure that
Even More Holes In Your Boot: Critical UEFI Secure Boot Bypass Vulnerabilities
Short Description: CVE-2025-427 (aka “Hydroph0bia”), CVE-2025-3052, and CVE-2025-47827 expose fundamental flaws in how firmware handles Secure Boot validation. Affecting systems using UEFI firmware, these vulnerabilities…
Hydrophobia and other UEFI Secure Boot Bypass Vulnerabilities - Eclypsium | Supply Chain Security for the Modern Enterprise
Short Description: CVE-2025-427 (aka “Hydroph0bia”), CVE-2025-3052, and CVE-2025-47827 expose fundamental flaws in how firmware handles Secure Boot validation. Affecting systems using UEFI firmware, these vulnerabilities allow attackers to bypass critical security controls and execute malicious code during early boot phases. Here’s what you need to know: Executive Summary Three newly disclosed vulnerabilities in UEFI serve as a wake-up call for …
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