Description
A vulnerability has been identified in APOGEE MBC (PPC) (BACnet) (All versions), APOGEE MBC (PPC) (P2 Ethernet) (All versions), APOGEE MEC (PPC) (BACnet) (All versions), APOGEE MEC (PPC) (P2 Ethernet) (All versions), APOGEE PXC Compact (BACnet) (All versions < V3.5.4), APOGEE PXC Compact (P2 Ethernet) (All versions < V2.8.19), APOGEE PXC Modular (BACnet) (All versions < V3.5.4), APOGEE PXC Modular (P2 Ethernet) (All versions < V2.8.19), Desigo PXC00-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC00-U (All versions >= V2.3 and < V6.30.016), Desigo PXC001-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC100-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC12-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC128-U (All versions >= V2.3 and < V6.30.016), Desigo PXC200-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC22.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC36.1-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC50-E.D (All versions >= V2.3 and < V6.30.016), Desigo PXC64-U (All versions >= V2.3 and < V6.30.016), Desigo PXM20-E (All versions >= V2.3 and < V6.30.016), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.1), Nucleus Source Code (All versions), PLUSCONTROL 1st Gen (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). TFTP server application allows for reading the contents of the TFTP memory buffer via sending malformed TFTP commands. (FSMD-2021-0009)
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | APOGEE MBC (PPC) (BACnet) | All versions | — |
| Siemens | APOGEE MBC (PPC) (P2 Ethernet) | All versions | — |
| Siemens | APOGEE MEC (PPC) (BACnet) | All versions | — |
| Siemens | APOGEE MEC (PPC) (P2 Ethernet) | All versions | — |
| Siemens | APOGEE PXC Compact (BACnet) | All versions < V3.5.4 | — |
| Siemens | APOGEE PXC Compact (P2 Ethernet) | All versions < V2.8.19 | — |
| Siemens | APOGEE PXC Modular (BACnet) | All versions < V3.5.4 | — |
| Siemens | APOGEE PXC Modular (P2 Ethernet) | All versions < V2.8.19 | — |
| Siemens | Desigo PXC00-E.D | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC00-U | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC001-E.D | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC100-E.D | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC12-E.D | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC128-U | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC200-E.D | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC22-E.D | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC22.1-E.D | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC36.1-E.D | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC50-E.D | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXC64-U | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Desigo PXM20-E | All versions >= V2.3 and < V6.30.016 | — |
| Siemens | Nucleus NET | All versions | — |
| Siemens | Nucleus ReadyStart V3 | All versions < V2017.02.4 | — |
| Siemens | Nucleus ReadyStart V4 | All versions < V4.1.1 | — |
| Siemens | Nucleus Source Code | All versions | — |
| Siemens | PLUSCONTROL 1st Gen | All versions | — |
| Siemens | TALON TC Compact (BACnet) | All versions < V3.5.4 | — |
| Siemens | TALON TC Modular (BACnet) | All versions < V3.5.4 | — |
Advisories 6
- ICSA-22-013-03 Siemens Energy PLUSCONTROL CISA ICS & IT advisories · May 6, 2025
- ICSA-21-315-07 Siemens Nucleus RTOS-based APOGEE and TALON Products (Update C) CISA ICS & IT advisories · May 6, 2025
- ICSA-21-313-03 Siemens Nucleus RTOS TCP/IP Stack CISA ICS & IT advisories · May 6, 2025
- SSA-114589 SSA-114589: Multiple Vulnerabilities in Nucleus RTOS based APOGEE, TALON and Desigo PXC/PXM Products Siemens ProductCERT · May 10, 2022
- SSA-845392 SSA-845392: Multiple Vulnerabilities in Nucleus RTOS based Siemens Energy PLUSCONTROL 1st Gen Devices Siemens ProductCERT · Jan 11, 2022
- SSA-044112 SSA-044112: Multiple Vulnerabilities (NUCLEUS:13) in the TCP/IP Stack of Nucleus RTOS Siemens ProductCERT · Dec 14, 2021