CVE-2021-31889

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

Last Modified on: 11/17/2021 09:38:19 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), APOGEE PXC Compact (P2 Ethernet) (All versions), APOGEE PXC Modular (BACnet) (All versions), APOGEE PXC Modular (P2 Ethernet) (All versions), Capital VSTAR (All versions), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus Source Code (All versions), TALON TC Compact (BACnet) (All versions), TALON TC Modular (BACnet) (All versions). Malformed TCP packets with a corrupted SACK option leads to Information Leaks and Denial-of-Service conditions. (FSMD-2021-0015)

  • CVE-2021-31889 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-114589.pdf

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 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_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-2021-31889 : A vulnerability has been identified in APOGEE MBC PPC BACnet All versions , APOGEE MBC PPC… twitter.com/i/web/status/1… 2021-11-09 11:46:06
© CVE.report 2021 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report