NVD

CVE-2021-31888 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

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), 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). FTP server does not properly validate the length of the “MKD/XMKD” command, leading to stack-based buffer overflows. This may result in Denial-of-Service conditions and Remote Code Execution. (FSMD-2021-0018)

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 8.8 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 6.5 MEDIUM

Vector: (AV:N/AC:L/Au:S/C:P/I:P/A:P)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf	Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf	Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf	Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	NIST
CWE-170	Improper Null Termination	Siemens AG

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

Modified Analysis by NIST 5/16/2023 6:50:54 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:apogee_modular_building_controller_firmware::::::::* OR cpe:2.3:h:siemens:apogee_modular_building_controller:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware::::::::* OR cpe:2.3:h:siemens:apogee_modular_equiment_controller:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:apogee_pxc_compact_firmware:::::p2_ethernet::: versions up to (excluding) 2.8.19 cpe:2.3:o:siemens:apogee_pxc_compact_firmware:::::bacnet::: versions up to (excluding) 3.5.4 OR cpe:2.3:h:siemens:apogee_pxc_compact:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:apogee_pxc_modular_firmware:::::p2_ethernet::: versions up to (excluding) 2.8.19 cpe:2.3:o:siemens:apogee_pxc_modular_firmware:::::bacnet::: versions up to (excluding) 3.5.4 OR cpe:2.3:h:siemens:apogee_pxc_modular:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc00-e.d_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc00-e.d:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc00-u_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc00-u:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc001-e.d_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc001-e.d:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc100-e.d_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc100-e.d:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc12-e.d_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc12-e.d:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc128-u_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc128-u:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc200-e.d_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc200-e.d:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc22-e.d_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc22-e.d:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc22.1-e.d_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc22.1-e.d:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc36.1-e.d_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc36.1-e.d:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc50-e.d_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc50-e.d:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxc64-u_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxc64-u:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:desigo_pxm20-e_firmware::::::::* versions from (including) 2.3 up to (excluding) 6.30.016 OR cpe:2.3:h:siemens:desigo_pxm20-e:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:talon_tc_compact_firmware::::::::* versions up to (excluding) 3.5.4 OR cpe:2.3:h:siemens:talon_tc_compact:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:talon_tc_modular_firmware::::::::* versions up to (excluding) 3.5.4 OR cpe:2.3:h:siemens:talon_tc_modular:-:::::::*
Added	CPE Configuration		OR cpe:2.3:a:siemens:nucleus_net::::::::* cpe:2.3:a:siemens:nucleus_readystart_v3::::::::* versions up to (excluding) 2017.02.4 cpe:2.3:a:siemens:nucleus_source_code::::::::*
Removed	CPE Configuration	AND OR cpe:2.3:o:siemens:apogee_modular_building_controller_firmware::::::::* OR cpe:2.3:h:siemens:apogee_modular_building_controller:-:::::::*
Removed	CPE Configuration	AND OR cpe:2.3:o:siemens:apogee_modular_building_controller_firmware::::::::* OR cpe:2.3:h:siemens:apogee_modular_building_controller:-:::::::*
Removed	CPE Configuration	AND OR cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware::::::::* OR cpe:2.3:h:siemens:apogee_modular_equiment_controller:-:::::::*
Removed	CPE Configuration	AND OR cpe:2.3:o:siemens:apogee_pxc_compact_firmware::::::::* OR cpe:2.3:h:siemens:apogee_pxc_compact:-:::::::*
Removed	CPE Configuration	AND OR cpe:2.3:o:siemens:apogee_pxc_modular_firmware::::::::* OR cpe:2.3:h:siemens:apogee_pxc_modular:-:::::::*
Removed	CPE Configuration	AND OR cpe:2.3:o:siemens:talon_tc_compact_firmware::::::::* OR cpe:2.3:h:siemens:talon_tc_compact:-:::::::*
Removed	CPE Configuration	AND OR cpe:2.3:o:siemens:talon_tc_modular_firmware::::::::* OR cpe:2.3:h:siemens:talon_tc_modular:-:::::::*
Removed	CPE Configuration	OR cpe:2.3:a:siemens:capital_vstar::::::::* cpe:2.3:a:siemens:nucleus_net::::::::* cpe:2.3:a:siemens:nucleus_readystart_v3::::::::* versions up to (excluding) 2017.02.1 cpe:2.3:a:siemens:nucleus_source_code::::::::*

Initial Analysis by NIST 11/12/2021 12:43:10 PM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added	CVSS V2		NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Added	CWE		NIST CWE-787
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:apogee_modular_building_controller_firmware::::::::* OR cpe:2.3:h:siemens:apogee_modular_building_controller:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:apogee_modular_building_controller_firmware::::::::* OR cpe:2.3:h:siemens:apogee_modular_building_controller:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware::::::::* OR cpe:2.3:h:siemens:apogee_modular_equiment_controller:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:apogee_pxc_compact_firmware::::::::* OR cpe:2.3:h:siemens:apogee_pxc_compact:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:apogee_pxc_modular_firmware::::::::* OR cpe:2.3:h:siemens:apogee_pxc_modular:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:talon_tc_compact_firmware::::::::* OR cpe:2.3:h:siemens:talon_tc_compact:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:talon_tc_modular_firmware::::::::* OR cpe:2.3:h:siemens:talon_tc_modular:-:::::::*
Added	CPE Configuration		OR cpe:2.3:a:siemens:capital_vstar::::::::* cpe:2.3:a:siemens:nucleus_net::::::::* cpe:2.3:a:siemens:nucleus_readystart_v3::::::::* versions up to (excluding) 2017.02.1 cpe:2.3:a:siemens:nucleus_readystart_v4::::::::* versions up to (excluding) 4.1.1 cpe:2.3:a:siemens:nucleus_source_code::::::::*
Changed	Reference Type	https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf No Types Assigned	https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf Vendor Advisory
Changed	Reference Type	https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf No Types Assigned	https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-31888
NVD Published Date:
11/09/2021
NVD Last Modified:
11/21/2024
Source:
Siemens AG

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2021-31888 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by CVE 11/21/2024 1:06:26 AM

CVE Modified by Siemens AG 5/14/2024 5:02:25 AM

Modified Analysis by NIST 5/16/2023 6:50:54 AM

CVE Modified by Siemens AG 5/20/2022 9:15:13 AM

CVE Modified by Siemens AG 4/12/2022 5:15:12 AM

CVE Modified by Siemens AG 12/14/2021 7:15:09 AM

Reanalysis by NIST 11/12/2021 1:16:03 PM

Initial Analysis by NIST 11/12/2021 12:43:10 PM

Quick Info