CVE-2021-31344: Medium severity siemens capital vulnerability

Published Nov 9, 2021
·
Updated

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), Capital VSTAR (All versions with enabled Ethernet options), 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), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). ICMP echo packets with fake IP options allow sending ICMP echo reply messages to arbitrary hosts on the network. (FSMD-2021-0004)

Other sources

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions < V1.0.0.0). ICMP echo packets with fake IP options allow sending ICMP echo reply messages to arbitrary hosts on the network. (FSMD-2021-0004)

MITRE

Affected Software

29 affected components
Siemens Capital Vstar
Siemens Nucleus NET
Siemens Nucleus ReadyStart v3<2017.02.1
Siemens Nucleus ReadyStart v4<4.1.1
Siemens Nucleus Source Code
Siemens Apogee Modular Building Controller Firmware
Siemens Apogee Modular Building Controller
Siemens Apogee Modular Equiment Controller Firmware
Siemens Apogee Modular Equiment Controller
Siemens Apogee Pxc Compact Firmware
Siemens Apogee Pxc Compact
Siemens Apogee Pxc Modular Firmware
Siemens Apogee Pxc Modular
Siemens Talon Tc Compact Firmware
Siemens Talon Tc Compact
Siemens Talon Tc Modular Firmware
Siemens Talon Tc Modular
All of the following
Siemens Apogee Modular Building Controller
Siemens Apogee Modular Building Controller Firmware
All of the following
Siemens Apogee Modular Equiment Controller
Siemens Apogee Modular Equiment Controller Firmware
All of the following
Siemens Apogee Pxc Compact
Siemens Apogee Pxc Compact Firmware
All of the following
Siemens Apogee Pxc Modular
Siemens Apogee Pxc Modular Firmware
All of the following
Siemens Talon Tc Compact
Siemens Talon Tc Compact Firmware
All of the following
Siemens Talon Tc Modular
Siemens Talon Tc Modular Firmware

Event History

Nov 9, 2021
CVE Published
via MITRE·11:31 AM
Data Sourced
via MITRE·11:31 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2021-31344?

The severity of CVE-2021-31344 is medium with a severity value of 5.3.

2

What software versions are affected by CVE-2021-31344?

All versions of APOGEE MBC (PPC) (BACnet), APOGEE MBC (PPC) (P2 Ethernet), APOGEE MEC (PPC) (BACnet), APOGEE MEC (PPC) (P2 Ethernet), and APOGEE PXC Compact (BACnet) (versions < V3.5.4) are affected by CVE-2021-31344.

3

Is Siemens Capital Vstar affected by CVE-2021-31344?

Siemens Capital Vstar is not affected by CVE-2021-31344.

4

How can I fix CVE-2021-31344?

To fix CVE-2021-31344, you should update to version V3.5.4 or later for APOGEE PXC Compact (BACnet) or follow the recommended mitigation measures provided by Siemens in the references.

5

What is the Common Weakness Enumeration (CWE) for CVE-2021-31344?

The Common Weakness Enumeration (CWE) for CVE-2021-31344 is CWE-843.

Contact

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