chipsec

CHIPSEC: Platform Security Assessment Framework CHIPSEC is a framework for analyzing the security of PC platforms including hardware, system firmware BIOS/UEFI, and platform components. It includes a security test suite, tools for accessing various low level interfaces, and forensic capabilities...

CVE-2022-34301

🕷️ CVE-2022-34301 - Eurosoft ブートローダー脆弱性 Eurosoft Pc-Check UEFI Diagnostics Shell - Bring Your Own Vulnerable UEFI Application BYOVUA - 署名済み UEFI Shell と gSecurity2 の破壊による Secure Boot バイパス。 📑 目次 概要 背景 Bring Your Own Vulnerable UEFI Application 署名済みシェル 脆弱性 mm コマンド gSecurity2 と Security Architectural...

CVE-2022-34303

🕷️ CVE-2022-34303 - CryptoPro ブートローダー脆弱性 CryptoPro Secure Disk UEFI Shell - Bring Your Own Vulnerable UEFI Application BYOVUA - 署名済み UEFI Shell と gSecurity2 の破壊による Secure Boot バイパス。 📑 目次 概要 背景 Bring Your Own Vulnerable UEFI Application 署名済みシェル 脆弱性 mm コマンド gSecurity2 と Security Architectural...

Vendor-signed UEFI Shell applications allow Secure Boot bypass

Overview Vendor-signed UEFI Shell applications may allow an attacker to bypass Secure Boot protections by abusing commands such as mm Memory Modify. On systems that trust the affected vendor’s certificate or include the application’s Authenticode hash in the UEFI Authorized Signature Database DB,...

Cisco UCS Manager UEFI Shell Secure Boot Bypass (cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW)

According to its self-reported version, Cisco UCS Manager Software is affected by a vulnerability. - A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials fo...

Cisco Integrated Management Controller UEFI Shell Secure Boot Bypass (cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW)

According to its self-reported version, the Cisco Integrated Management Controller is affected by a vulnerability. - A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with vali...

AZL-100017 CVE-2026-6485 affecting package qemu 10.1.0-1

UEFI BIOS embedded Shell could be used to bypass Secure Boot via shell commands or startup scripts...

CVE-2026-20293

A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

CVE-2026-20293 Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability

A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

CVE-2026-20293

A vulnerability in the UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances allows bypassing UEFI Secure Boot validation checks. The root cause is the availability of memory write commands in the UEFI Shell while Secure Boot is enabled. An attacker—authenticated with user or ad...

EUVD-2026-72936

A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

CVE-2026-20293 Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability

A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability

A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

UEFI Shell module embedded in SPI Flash can be used to bypass Secure Boot

Overview The UEFI Shell program may expose raw memory access capabilities that, if present in platform firmware for debugging or advanced support use cases, could be abused to undermine UEFI Secure Boot protections. When the UEFI Shell is included in SPI flash, an attacker with the ability to...

PT-2026-87141

A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

CVE-2026-20293: Exposed Dangerous Method or Function

A vulnerability in the Unified Extensible Firmware Interface UEFI Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated attacker with valid credentials for a user account with the role of user or admin or an unauthenticated attacker with physical access t...

CVE-2023-49721

An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot...

DEBIAN-CVE-2025-2486

The Ubuntu edk2 UEFI firmware packages accidentally allowed the UEFI Shell to be accessed in Secure Boot environments, possibly allowing bypass of Secure Boot constraints. Versions 2024.05-2ubuntu0.3 and 2024.02-2ubuntu0.3 disable the Shell. Some previous versions inserted a secure-boot-based...

UBUNTU-CVE-2025-2486

The Ubuntu edk2 UEFI firmware packages accidentally allowed the UEFI Shell to be accessed in Secure Boot environments, possibly allowing bypass of Secure Boot constraints. Versions 2024.05-2ubuntu0.3 and 2024.02-2ubuntu0.3 disable the Shell. Some previous versions inserted a secure-boot-based...

CVE-2025-2486

The CVE-2025-2486 issue affects Ubuntu edk2 UEFI firmware packages where the UEFI Shell could be accessed with Secure Boot enabled, potentially bypassing Secure Boot constraints. Affected firmware versions are 2024.05-2ubuntu0.3 and 2024.02-2ubuntu0.3, which disable the Shell; prior versions repo...