CVE-2021-31881
Summary
| CVE | CVE-2021-31881 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-11-09 12:15:00 UTC |
| Updated | 2022-05-20 13:15:00 UTC |
| 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), 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) |
Risk And Classification
Problem Types: CWE-125
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Siemens | Apogee Modular Building Controller | - | All | All | All |
| Operating System | Siemens | Apogee Modular Building Controller Firmware | All | All | All | All |
| Hardware | Siemens | Apogee Modular Equiment Controller | - | All | All | All |
| Operating System | Siemens | Apogee Modular Equiment Controller Firmware | All | All | All | All |
| Hardware | Siemens | Apogee Pxc Compact | - | All | All | All |
| Operating System | Siemens | Apogee Pxc Compact Firmware | All | All | All | All |
| Hardware | Siemens | Apogee Pxc Modular | - | All | All | All |
| Operating System | Siemens | Apogee Pxc Modular Firmware | All | All | All | All |
| Application | Siemens | Capital Vstar | All | All | All | All |
| Application | Siemens | Nucleus Net | All | All | All | All |
| Application | Siemens | Nucleus Readystart V3 | All | All | All | All |
| Application | Siemens | Nucleus Readystart V4 | All | All | All | All |
| Application | Siemens | Nucleus Source Code | All | All | All | All |
| Hardware | Siemens | Talon Tc Compact | - | All | All | All |
| Operating System | Siemens | Talon Tc Compact Firmware | All | All | All | All |
| Hardware | Siemens | Talon Tc Modular | - | All | All | All |
| Operating System | Siemens | Talon Tc Modular Firmware | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf | MISC | cert-portal.siemens.com | |
| N/A | CONFIRM | cert-portal.siemens.com | |
| cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf | MISC | cert-portal.siemens.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 590688 Siemens Nucleus RTOS-based APOGEE and TALON Products (Update A) Multiple Vulnerabilities (ICSA-21-315-07)
- 590744 Siemens Nucleus RTOS TCP/IP Stack Multiple Vulnerabilities (ICSA-21-313-03)
- 590745 Siemens Nucleus RTOS TCP/IP Stack Multiple Vulnerabilities (SSA-044112)
- 590746 Siemens Nucleus RTOS Transmission Control Protocol/Internet Protocol (TCP/IP) Stack Multiple Vulnerabilities (SSA-114589)
- 590747 Siemens Nucleus RTOS TCP/IP Stack Multiple Vulnerabilities (SSA-620288)
- 590821 WAGO NUCLEUS Transmission Control Protocol (TCP) Stack Multiple Vulnerabilities (VDE-2021-050)