NVD

CVE-2021-37205 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.

Current Description

A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packets over port 102/tcp. A restart of the affected device is needed to restore normal operations.

View Analysis Description

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:

CNA: Siemens AG

Base Score: 7.5 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 7.1 HIGH

Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf	Patch Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf	Patch Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-401	Missing Release of Memory after Effective Lifetime	NIST Siemens AG

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Initial Analysis by NIST 2/14/2022 11:17:55 AM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added	CVSS V2		NIST (AV:N/AC:M/Au:N/C:N/I:N/A:C)
Added	CWE		NIST NVD-CWE-noinfo
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_drive_controller_cpu_1504d_tf_firmware::::::::* versions up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_drive_controller_cpu_1504d_tf:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_drive_controller_cpu_1507d_tf_firmware::::::::* versions up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_drive_controller_cpu_1507d_tf:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2_firmware::::::::* OR cpe:2.3:h:siemens:simatic_et_200sp_open_controller_cpu_1515sp_pc2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1200_cpu_1211c_firmware::::::::* versions from (including) 4.5.0 up to (excluding) 4.5.2 OR cpe:2.3:h:siemens:simatic_s7-1200_cpu_1211c:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1200_cpu_1212c_firmware::::::::* versions from (including) 4.5.0 up to (excluding) 4.5.2 OR cpe:2.3:h:siemens:simatic_s7-1200_cpu_1212c:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1200_cpu_1212fc_firmware::::::::* versions from (including) 4.5.0 up to (excluding) 4.5.2 OR cpe:2.3:h:siemens:simatic_s7-1200_cpu_1212fc:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1200_cpu_1214c_firmware::::::::* versions from (including) 4.5.0 up to (excluding) 4.5.2 OR cpe:2.3:h:siemens:simatic_s7-1200_cpu_1214c:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1200_cpu_1214fc_firmware::::::::* versions from (including) 4.5.0 up to (excluding) 4.5.2 OR cpe:2.3:h:siemens:simatic_s7-1200_cpu_1214fc:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1200_cpu_1215c_firmware::::::::* versions from (including) 4.5.0 up to (excluding) 4.5.2 OR cpe:2.3:h:siemens:simatic_s7-1200_cpu_1215c:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1200_cpu_1215fc_firmware::::::::* versions from (including) 4.5.0 up to (excluding) 4.5.2 OR cpe:2.3:h:siemens:simatic_s7-1200_cpu_1215fc:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1200_cpu_1217c_firmware::::::::* versions from (including) 4.5.0 up to (excluding) 4.5.2 OR cpe:2.3:h:siemens:simatic_s7-1200_cpu_1217c:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1510sp-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1510sp-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1510sp_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1510sp:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1511-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511c-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1511c-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511f-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1511f-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511t-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1511t-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511tf-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1511tf-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512c-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1512c-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512sp-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1512sp-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512spf-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1512spf-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1513-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513f-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1513f-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513r-1_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1513r-1:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515-2_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1515-2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515f-2_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1515f-2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515r-2_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1515r-2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515t-2_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1515t-2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515tf-2_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1515tf-2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516-3_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1516-3:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516f-3_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1516f-3:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516pro-2_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1516pro-2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516pro_f_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1516pro_f:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516t-3_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1516t-3:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516tf-3_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1516tf-3:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517-3_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1517-3:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517f-3_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1517f-3:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517tf-3_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1517tf-3:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518-4_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1518-4:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518f-4_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1518f-4:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518hf-4_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1518hf-4:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518t-4_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1518t-4:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518tf-4_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_1518tf-4:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_cpu_1513pro-2_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_cpu_1513pro-2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-1500_cpu_cpu_1513prof-2_firmware::::::::* versions from (including) 2.9.2 up to (excluding) 2.9.4 OR cpe:2.3:h:siemens:simatic_s7-1500_cpu_cpu_1513prof-2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:simatic_s7-plcsim_advanced_firmware::::::::* OR cpe:2.3:h:siemens:simatic_s7-plcsim_advanced:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:tim_1531_irc_firmware::::::::* versions from (including) 2.2 OR cpe:2.3:h:siemens:tim_1531_irc:-:::::::*
Added	CPE Configuration		OR cpe:2.3:a:siemens:simatic_s7-1500_software_controller::::::::*
Changed	Reference Type	https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf No Types Assigned	https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf Patch, Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-37205
NVD Published Date:
02/09/2022
NVD Last Modified:
11/21/2024
Source:
Siemens AG

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2021-37205 Detail

Current Description

Analysis 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 1:14:51 AM

CVE Modified by Siemens AG 5/14/2024 5:19:45 AM

CVE Modified by Siemens AG 4/11/2023 6:15:10 AM

CVE Modified by Siemens AG 7/12/2022 6:15:09 AM

Modified Analysis by NIST 4/23/2022 10:19:36 PM

CVE Modified by Siemens AG 3/08/2022 7:15:10 AM

Initial Analysis by NIST 2/14/2022 11:17:55 AM

Quick Info