CVE-2024-39601: Siemens CPCI85 Central Processing/communication

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V5.40), SICORE Base system (All versions < V1.4.0). Affected devices allow a remote authenticated user or an unauthenticated user with physical access to downgrade the firmware of the device. This could allow an attacker to downgrade the device to older versions with known vulnerabilities.

Affected products

• Siemens CPCI85 Central Processing/communication: before V5.40 (fixed in V5.40)
• Siemens Sicore Base System: before V1.4.0 (fixed in V1.4.0)

Published 2024-07-22. Last modified 2026-06-17.