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A vulnerability has been identified in Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation Portal (TIA Portal) V15 (All versions), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions), Totally Integrated Automation Portal (TIA Portal) V20 (All versions). The know-how protection feature in affected products does not properly update the encryption of existing program blocks when a project file is updated. This could allow attackers with access to the project file to recover previous - yet unprotected - versions of the project without the knowledge of the know-how protection password.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

保护机制失效

Siemens TIA Portal 安全漏洞

Siemens TIA Portal是德国西门子（Siemens）公司的一个完全集成的自动化门户。TIA Portal 使您可以不受限制地访问从数字规划到集成工程和透明操作的全套数字化自动化服务。 Siemens TIA Portal存在安全漏洞，该漏洞源于在更新项目文件时，受影响产品中的专有技术保护功能无法正确更新现有程序块的加密。

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