CVE-2024-56181: Siemens SIMATIC Field Pg m5

High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIMATIC Field PG M5 (All versions), SIMATIC IPC BX-21A (All versions < V31.01.07), SIMATIC IPC BX-32A (All versions < V29.01.07), SIMATIC IPC BX-39A (All versions < V29.01.07), SIMATIC IPC BX-59A (All versions < V32.01.04), SIMATIC IPC PX-32A (All versions < V29.01.07), SIMATIC IPC PX-39A (All versions < V29.01.07), SIMATIC IPC PX-39A PRO (All versions < V29.01.07), SIMATIC IPC RC-543A (All versions < V36.01.03), SIMATIC IPC RC-543B (All versions < V35.01.12), SIMATIC IPC RW-543A (All versions < V1.1.4), SIMATIC IPC RW-543B (All versions < V35.02.10), SIMATIC IPC127E (All versions < V27.01.11), SIMATIC IPC227E (All versions), SIMATIC IPC227G (All versions < V28.01.14), SIMATIC IPC277E (All versions), SIMATIC IPC277G (All versions < V28.01.14), SIMATIC IPC277G PRO (All versions < V28.01.14), SIMATIC IPC3000 SMART V3 (All versions), SIMATIC IPC327G (All versions < V28.01.14), SIMATIC IPC347G (All versions), SIMATIC IPC377G (All versions < V28.01.14), SIMATIC IPC427E (All versions < V21.01.21), SIMATIC IPC477E (All versions < V21.01.21), SIMATIC IPC477E PRO (All versions < V21.01.21), SIMATIC IPC527G (All versions), SIMATIC IPC627E (All versions < V25.02.15), SIMATIC IPC647E (All versions < V25.02.15), SIMATIC IPC677E (All versions < V25.02.15), SIMATIC IPC847E (All versions < V25.02.15), SIMATIC ITP1000 (All versions). The affected devices have insufficient protection mechanism for the EFI(Extensible Firmware Interface) variables stored on the device. This could allow an authenticated attacker to alter the secure boot configuration without proper authorization by directly communicate with the flash controller.

Affected products

• Siemens SIMATIC Field Pg m5: any version
• Siemens SIMATIC IPC127E: before V27.01.11 (fixed in V27.01.11)
• Siemens SIMATIC IPC227E: any version
• Siemens SIMATIC IPC227G: before V28.01.14 (fixed in V28.01.14)
• Siemens SIMATIC IPC277E: any version
• Siemens SIMATIC IPC277G: before V28.01.14 (fixed in V28.01.14)
• Siemens SIMATIC IPC277G Pro: before V28.01.14 (fixed in V28.01.14)
• Siemens SIMATIC IPC3000 Smart v3: any version
• Siemens SIMATIC IPC327G: before V28.01.14 (fixed in V28.01.14)
• Siemens SIMATIC IPC347G: any version
• Siemens SIMATIC IPC377G: before V28.01.14 (fixed in V28.01.14)
• Siemens SIMATIC IPC427E: before V21.01.21 (fixed in V21.01.21)
• Siemens SIMATIC IPC477E: before V21.01.21 (fixed in V21.01.21)
• Siemens SIMATIC IPC477E Pro: before V21.01.21 (fixed in V21.01.21)
• Siemens SIMATIC IPC527G: any version
• Siemens SIMATIC IPC627E: before V25.02.15 (fixed in V25.02.15)
• Siemens SIMATIC IPC647E: before V25.02.15 (fixed in V25.02.15)
• Siemens SIMATIC IPC677E: before V25.02.15 (fixed in V25.02.15)
• Siemens SIMATIC IPC847E: before V25.02.15 (fixed in V25.02.15)
• Siemens SIMATIC Ipc Bx-21a: before V31.01.07 (fixed in V31.01.07)
• Siemens SIMATIC Ipc Bx-32a: before V29.01.07 (fixed in V29.01.07)
• Siemens SIMATIC Ipc Bx-39a: before V29.01.07 (fixed in V29.01.07)
• Siemens SIMATIC Ipc Bx-59a: before V32.01.04 (fixed in V32.01.04)
• Siemens SIMATIC Ipc Px-32a: before V29.01.07 (fixed in V29.01.07)
• Siemens SIMATIC Ipc Px-39a: before V29.01.07 (fixed in V29.01.07)
• and 6 more

Published 2025-03-11. Last modified 2026-09-08.