CVE-2021-31344
First published: Tue Nov 09 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)
Credit: productcert@siemens.com productcert@siemens.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | ||
| Siemens Apogee Modular Building Controller | ||
| Siemens Apogee Modular Building Controller Firmware | ||
| All of | ||
| Siemens Apogee Modular Equiment Controller | ||
| Siemens Apogee Modular Equiment Controller Firmware | ||
| All of | ||
| Siemens Apogee Pxc Compact | ||
| Siemens Apogee Pxc Compact Firmware | ||
| All of | ||
| Siemens Apogee Pxc Modular | ||
| Siemens Apogee Pxc Modular Firmware | ||
| All of | ||
| Siemens Talon Tc Compact | ||
| Siemens Talon Tc Compact Firmware | ||
| All of | ||
| Siemens Talon Tc Modular | ||
| Siemens Talon Tc Modular Firmware |
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Reference Links
- https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-223353.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-845392.pdf
- https://cert-portal.siemens.com/productcert/html/ssa-114589.html
- https://cert-portal.siemens.com/productcert/html/ssa-044112.html
- https://cert-portal.siemens.com/productcert/html/ssa-620288.html
- https://cert-portal.siemens.com/productcert/html/ssa-845392.html
- https://cert-portal.siemens.com/productcert/html/ssa-223353.html
Frequently Asked Questions
What is the severity of CVE-2021-31344?
The severity of CVE-2021-31344 is medium with a severity value of 5.3.
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.
Is Siemens Capital Vstar affected by CVE-2021-31344?
Siemens Capital Vstar is not affected by CVE-2021-31344.
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.
What is the Common Weakness Enumeration (CWE) for CVE-2021-31344?
The Common Weakness Enumeration (CWE) for CVE-2021-31344 is CWE-843.
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/author
- agent/weakness
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/last-modified-date
- agent/description
- agent/event
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/siemens
- canonical/siemens capital vstar
- canonical/siemens nucleus net
- canonical/siemens nucleus readystart v3
- canonical/siemens nucleus readystart v4
- canonical/siemens nucleus source code
- canonical/siemens apogee modular building controller firmware
- canonical/siemens apogee modular building controller
- canonical/siemens apogee modular equiment controller firmware
- canonical/siemens apogee modular equiment controller
- canonical/siemens apogee pxc compact firmware
- canonical/siemens apogee pxc compact
- canonical/siemens apogee pxc modular firmware
- canonical/siemens apogee pxc modular
- canonical/siemens talon tc compact firmware
- canonical/siemens talon tc compact
- canonical/siemens talon tc modular firmware
- canonical/siemens talon tc modular