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CVE PROGRAM SOURCE RECORD8.4 High

CVE-2026-72895

A vulnerability has been identified in SIMATIC IPC BX-21A (All versions < V31.01.13), SIMATIC IPC RW-543A (All versions < V1.1.4), SIMATIC IPC227G / IPC277G / IPC277G PRO / IPC327G

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Status
Published
Published
Updated
Assigning organization
siemens

Description

A vulnerability has been identified in SIMATIC IPC BX-21A (All versions < V31.01.13), SIMATIC IPC RW-543A (All versions < V1.1.4), SIMATIC IPC227G / IPC277G / IPC277G PRO / IPC327G / IPC377G (All versions < V28.01.15). A BIOS vendor test key is present in the UEFI Secure Boot key database. This could allow a local attacker with physical or administrative access to the device to boot an operating system or UEFI application signed with that test key, bypassing UEFI Secure Boot protections even when Secure Boot is enabled, potentially leading to a full loss of confidentiality, integrity, and availability of the device.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Siemens SIMATIC IPC BX-21A

Default version status: unknown

  • 0 to < V31.01.13affected

Siemens SIMATIC IPC RW-543A

Default version status: unknown

  • 0 to < V1.1.4affected

Siemens SIMATIC IPC227G / IPC277G / IPC277G PRO / IPC327G / IPC377G

Default version status: unknown

  • 0 to < V28.01.15affected

References