Redpacketsecurity High-Risk Vulnerability in Siemens Industrial PCs
Article Content
- •CVE-2026-72895 affects several Siemens SIMATIC IPC models.
- •Local access can allow attackers to bypass UEFI Secure Boot protections.
- •Siemens recommends immediate firmware updates to mitigate the risk.
A vulnerability identified as CVE-2026-72895 affects multiple Siemens SIMATIC IPC models, allowing local attackers to bypass UEFI Secure Boot protections. This flaw exists in all versions of SIMATIC IPC BX-21A (versions < V31.01.13), RW-543A (versions < V1.1.4), and IPC227G/IPC277G/IPC327G/IPC377G (versions < V28.01.15). Attackers with physical or administrative access can boot unauthorized operating systems or applications, risking full compromise of device confidentiality, integrity, and availability. Siemens has released updated firmware to mitigate this issue and recommends immediate updates. Temporary mitigations include manually removing the test key from the UEFI database, but upgrading is still advised. The vulnerability has a CVSS score of 7.7, categorized as high risk, with no evidence of active exploitation reported at this time.
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