Know-How Protection Flaw in Siemens Totally Integrated Automation Portal Products

CVE-2023-30757

What is CVE-2023-30757?

A critical vulnerability exists within Siemens Totally Integrated Automation Portal products that impacts the know-how protection feature. When project files are updated, the encryption for existing program blocks is not properly refreshed, permitting attackers with access to the project files to retrieve older, unprotected versions of the project. This unauthorized access occurs without requiring the know-how protection password, posing a significant risk to the confidentiality and integrity of sensitive automation data.

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