CVE-2021-31881
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 Source Code (All versions), TALON TC Compact (BACnet) (All versions < V3.5.4), TALON TC Modular (BACnet) (All versions < V3.5.4). When processing a DHCP OFFER message, the DHCP client application does not validate the length of the Vendor option(s), leading to Denial-of-Service conditions. (FSMD-2021-0008)
Credit: productcert@siemens.com productcert@siemens.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Siemens Capital Vstar | ||
| Siemens Nucleus NET | ||
| Siemens Nucleus ReadyStart v3 | <2012.08 | |
| 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-620288.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
- 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/tags
- agent/event
- 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 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