A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot.
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History
Wed, 30 Jul 2025 07:15:00 +0000
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Description | Running the provided utility changes the certificate on any Insyde BIOS and then the attached .efi file can be launched. | A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot. |
Sun, 13 Jul 2025 13:45:00 +0000
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epss
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epss
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Wed, 11 Jun 2025 14:15:00 +0000
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ssvc
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Wed, 11 Jun 2025 02:30:00 +0000
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Wed, 11 Jun 2025 00:45:00 +0000
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Description | Running the provided utility changes the certificate on any Insyde BIOS and then the attached .efi file can be launched. | |
Title | SecureFlashDxe: Incorrect UEFI variable attributes check allows usage of invalid certificate | |
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cvssV3_1
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Status: PUBLISHED
Assigner: Insyde
Published: 2025-06-11T00:25:17.737Z
Updated: 2025-08-14T05:58:07.245Z
Reserved: 2025-05-05T01:59:27.834Z
Link: CVE-2025-4275

Updated: 2025-06-11T01:32:11.159Z

Status : Awaiting Analysis
Published: 2025-06-11T01:15:20.750
Modified: 2025-07-30T08:15:34.240
Link: CVE-2025-4275

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