CVE-2021-31890

Published on: 11/09/2021 12:00:00 AM UTC

Last Modified on: 05/20/2022 01:21:48 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Certain versions of Apogee Modular Building Controller from Siemens contain the following vulnerability:

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)

  • CVE-2021-31890 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.

CVSS3 Score: 9.1 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH NONE HIGH

CVSS2 Score: 6.4 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL NONE PARTIAL

CVE References

Description Tags Link
cert-portal.siemens.com
application/pdf
URL Logo MISC cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf
cert-portal.siemens.com
application/pdf
URL Logo MISC cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf
cert-portal.siemens.com
application/pdf
URL Logo CONFIRM N/A
cert-portal.siemens.com
application/pdf
URL Logo MISC cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf
cert-portal.siemens.com
application/pdf
URL Logo MISC cert-portal.siemens.com/productcert/pdf/ssa-845392.pdf

Related QID Numbers

  • 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)
  • 590747 Siemens Nucleus RTOS TCP/IP Stack Multiple Vulnerabilities (SSA-620288)
  • 590792 Siemens Energy PLUSCONTROL 1st Gen Devices Multiple Vulnerabilities (SSA-845392)
  • 590795 Siemens SIMOTICS CONNECT 400 Multiple Vulnerabilities (ICSA-22-069-02) (SSA-223353)
  • 590821 WAGO NUCLEUS Transmission Control Protocol (TCP) Stack Multiple Vulnerabilities (VDE-2021-050)
  • 610390 Google Android Devices January 2022 Security Patch Missing
  • 610398 Google Android February 2022 Security Patch Missing for Samsung

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
HardwareSiemensApogee Modular Building Controller-AllAllAll
Operating
System
SiemensApogee Modular Building Controller FirmwareAllAllAllAll
HardwareSiemensApogee Modular Equiment Controller-AllAllAll
Operating
System
SiemensApogee Modular Equiment Controller FirmwareAllAllAllAll
HardwareSiemensApogee Pxc Compact-AllAllAll
Operating
System
SiemensApogee Pxc Compact FirmwareAllAllAllAll
HardwareSiemensApogee Pxc Modular-AllAllAll
Operating
System
SiemensApogee Pxc Modular FirmwareAllAllAllAll
ApplicationSiemensCapital VstarAllAllAllAll
ApplicationSiemensNucleus NetAllAllAllAll
ApplicationSiemensNucleus Readystart V3AllAllAllAll
ApplicationSiemensNucleus Readystart V4AllAllAllAll
ApplicationSiemensNucleus Source CodeAllAllAllAll
HardwareSiemensTalon Tc Compact-AllAllAll
Operating
System
SiemensTalon Tc Compact FirmwareAllAllAllAll
HardwareSiemensTalon Tc Modular-AllAllAll
Operating
System
SiemensTalon Tc Modular FirmwareAllAllAllAll
  • cpe:2.3:h:siemens:apogee_modular_building_controller:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:apogee_modular_building_controller_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:apogee_modular_equiment_controller:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:apogee_pxc_compact:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:apogee_pxc_compact_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:apogee_pxc_modular:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:apogee_pxc_modular_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:capital_vstar:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:nucleus_readystart_v3:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:nucleus_readystart_v4:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:siemens:nucleus_source_code:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:talon_tc_compact:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:talon_tc_compact_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:talon_tc_modular:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:talon_tc_modular_firmware:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-31890 : A vulnerability has been identified in APOGEE MBC PPC BACnet All versions , APOGEE MBC PPC… twitter.com/i/web/status/1… 2021-11-09 11:46:28
Reddit Logo Icon /r/k12cybersecurity MS-ISAC CYBERSECURITY ADVISORY - Multiple Vulnerabilities in Google Android OS Could Allow for Remote Code Execution - PATCH: NOW 2022-01-05 13:41:27
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