CVE-2024-28956: Siemens SIMATIC s7-1500 CPU 1518-4 Pn/dp Mfp

Medium severity, CVSS 5.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Affected products

• Siemens SIMATIC s7-1500 CPU 1518-4 Pn/dp Mfp: from V3.1.6
• Siemens SIMATIC s7-1500 CPU 1518f-4 Pn/dp Mfp: from V3.1.6
• Siemens Siplus s7-1500 CPU 1518-4 Pn/dp Mfp: from V3.1.6

Published 2025-05-13. Last modified 2026-07-14.