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Exploiting a Classic Deserialization Vulnerability in Siemens SIMATIC Energy Manager

ID: 56b6eb68-633d-5b91-ba52-518746a770c6

STIX ID: report--56b6eb68-633d-5b91-ba52-518746a770c6

Feed Name: Claroty Team82

Threat Score
90/100

Date Published: 2024-04-24

Date Updated: 2026-04-17

Author: Noam Moshe

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Team82 disclosed a critical pre-authentication deserialization vulnerability (CVE-2022-23450, CVSS 10.0) in Siemens SIMATIC Energy Manager (EnMPro) that allows unauthenticated remote code execution via unsafe .NET BinaryFormatter deserialization over the product's TCP/4444 protocol; Siemens patched the issue in EnMPro V7.3 Update 1 and users are urged to update.

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