CVE-2021-31890
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). The total length of an TCP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on the network buffer organization in memory. (FSMD-2021-0017)
Credit: productcert@siemens.com productcert@siemens.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Siemens Capital | ||
| Siemens Nucleus NET | ||
| Siemens Nucleus ReadyStart | <2017.02.4 | |
| Siemens Nucleus ReadyStart | <4.1.1 | |
| Siemens Nucleus Source Code | ||
| All of | ||
| Siemens APOGEE MBC | ||
| Siemens APOGEE Modular Building Controller Firmware | ||
| All of | ||
| siemens APOGEE modular equiment controller | ||
| Siemens APOGEE Modular Equipment Controller | ||
| All of | ||
| Siemens APOGEE PXC Compact | ||
| Siemens APOGEE PXC Compact firmware | ||
| All of | ||
| Siemens APOGEE Modular Building Controller Firmware | ||
| Siemens APOGEE PXC Modular (P2 Ethernet) | ||
| All of | ||
| Siemens TALON TC | ||
| Siemens TALON TC | ||
| All of | ||
| Siemens TALON TC | ||
| Siemens TALON TC | ||
| Siemens APOGEE MBC | ||
| Siemens APOGEE Modular Building Controller Firmware | ||
| siemens APOGEE modular equiment controller | ||
| Siemens APOGEE Modular Equipment Controller | ||
| Siemens APOGEE PXC Compact | ||
| Siemens APOGEE PXC Compact firmware | ||
| Siemens APOGEE Modular Building Controller Firmware | ||
| Siemens APOGEE PXC Modular (P2 Ethernet) | ||
| Siemens TALON TC | ||
| Siemens TALON TC | ||
| Siemens TALON TC | ||
| Siemens TALON TC |
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Reference Links
- https://source.android.com/docs/security/bulletin/2022-01-01/#asterisk
- https://source.android.com/docs/security/bulletin/2022-01-01 (Advisory)
- 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 CVE-2021-31890?
CVE-2021-31890 is a vulnerability identified in APOGEE MBC (PPC) (BACnet) and other Siemens software versions.
Which software versions are affected by CVE-2021-31890?
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) are affected, with APOGEE PXC Compact versions prior to V3.5.4 being vulnerable.
How severe is CVE-2021-31890?
CVE-2021-31890 has a severity rating of 9.1 (critical).
Where can I find more information about CVE-2021-31890?
You can find more information about CVE-2021-31890 in the Siemens ProductCERT advisories SSA-044112, SSA-114589, and SSA-223353.
What is the Common Weakness Enumeration (CWE) associated with CVE-2021-31890?
CVE-2021-31890 is associated with CWE-240.
- agent/type
- agent/weakness
- agent/first-publish-date
- agent/references
- agent/description
- agent/event
- agent/author
- agent/severity
- agent/source
- collector/android-source
- source/Android
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- source/NVD
- collector/nvd-index
- vendor/google
- canonical/android
- vendor/siemens
- canonical/siemens capital
- canonical/siemens nucleus net
- canonical/siemens nucleus readystart
- canonical/siemens nucleus source code
- canonical/siemens apogee mbc
- canonical/siemens apogee modular building controller firmware
- canonical/siemens apogee modular equiment controller
- canonical/siemens apogee modular equipment controller
- canonical/siemens apogee pxc compact
- canonical/siemens apogee pxc compact firmware
- canonical/siemens apogee pxc modular (p2 ethernet)
- canonical/siemens talon tc