8.5
CWE
502
Advisory Published
Updated

CVE-2022-45147

First published: Tue Jul 09 2024(Updated: )

A vulnerability has been identified in SIMATIC PCS neo V4.0 (All versions), SIMATIC STEP 7 V16 (All versions), SIMATIC STEP 7 V17 (All versions), SIMATIC STEP 7 V18 (All versions < V18 Update 2). Affected applications do not properly restrict the .NET BinaryFormatter when deserializing user-controllable input. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application. This is the same issue that exists for .NET BinaryFormatter https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2300.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens SIMATIC Process Control SYSTEM Neo<=4.0
SIMATIC STEP 7<=16<=17>=18<V18 Update 2

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Frequently Asked Questions

  • What is the severity of CVE-2022-45147?

    CVE-2022-45147 has been assessed with a high severity due to improper handling of the .NET BinaryFormatter.

  • How do I fix CVE-2022-45147?

    To mitigate CVE-2022-45147, update affected software components to the latest versions provided by Siemens.

  • Which versions of Siemens products are affected by CVE-2022-45147?

    CVE-2022-45147 affects all versions of SIMATIC PCS neo V4.0 and certain versions of SIMATIC STEP 7 up to V18 Update 2.

  • Is CVE-2022-45147 a remote code execution vulnerability?

    Yes, CVE-2022-45147 could potentially allow remote code execution if exploited.

  • What are the implications of CVE-2022-45147 for industrial control systems?

    CVE-2022-45147 poses a significant risk to industrial control systems by potentially allowing unauthorized control over the system.

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