CVE-2021-37185: High severity siemens simatic drive controller cpu 1504d tf vulnerability

Published Feb 9, 2022
·
Updated

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.

Affected Software

96 affected components
Siemens Simatic Drive Controller Cpu 1504d Tf Firmware<2.9.4
Siemens Simatic Drive Controller Cpu 1504d Tf
Siemens Simatic Drive Controller Cpu 1507d Tf Firmware<2.9.4
Siemens Simatic Drive Controller Cpu 1507d Tf
Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc2 Firmware
Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc2
Siemens Simatic S7-plcsim Advanced Firmware<4.0
Siemens Simatic S7-plcsim Advanced Firmware=4.0
Siemens Simatic S7-plcsim Advanced
Siemens Tim 1531 Irc Firmware>=2.2
Siemens TIM 1531 IRC
Siemens SIMATIC S7-1500 Software Controller
Siemens Simatic S7-1200 Cpu 1211c Firmware>=4.5.0<4.5.2
Siemens Simatic S7-1200 Cpu 1211c
Siemens Simatic S7-1200 Cpu 1212c Firmware>=4.5.0<4.5.2
Siemens Simatic S7-1200 Cpu 1212c
Siemens Simatic S7-1200 Cpu 1212fc Firmware>=4.5.0<4.5.2
Siemens Simatic S7-1200 Cpu 1212fc
Siemens Simatic S7-1200 Cpu 1214fc Firmware>=4.5.0<4.5.2
Siemens Simatic S7-1200 Cpu 1214fc
Siemens Simatic S7-1200 Cpu 1214c Firmware>=4.5.0<4.5.2
Siemens Simatic S7-1200 Cpu 1214c
Siemens Simatic S7-1200 Cpu 1215fc Firmware>=4.5.0<4.5.2
Siemens Simatic S7-1200 Cpu 1215fc
Siemens Simatic S7-1200 Cpu 1215c Firmware>=4.5.0<4.5.2
Siemens Simatic S7-1200 Cpu 1215c
Siemens Simatic S7-1200 Cpu 1217c Firmware>=4.5.0<4.5.2
Siemens Simatic S7-1200 Cpu 1217c
Siemens Simatic S7-1500 Cpu 1510sp-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1510sp-1
Siemens Simatic S7-1500 Cpu 1510sp Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1510sp
Siemens Simatic S7-1500 Cpu 1511-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1511-1
Siemens Simatic S7-1500 Cpu 1511c-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1511c-1
Siemens Simatic S7-1500 Cpu 1511f-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1511f-1
Siemens Simatic S7-1500 Cpu 1511t-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1511t-1
Siemens Simatic S7-1500 Cpu 1511tf-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1511tf-1
Siemens Simatic S7-1500 Cpu 1512c-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1512c-1
Siemens Simatic S7-1500 Cpu 1512sp-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1512sp-1
Siemens Simatic S7-1500 Cpu 1512spf-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1512spf-1
Siemens Simatic S7-1500 Cpu 1513-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1513-1
Siemens Simatic S7-1500 Cpu 1513f-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1513f-1
Siemens Simatic S7-1500 Cpu 1513r-1 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1513r-1
Siemens Simatic S7-1500 Cpu Cpu 1513prof-2 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu Cpu 1513prof-2
Siemens Simatic S7-1500 Cpu Cpu 1513pro-2 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu Cpu 1513pro-2
Siemens Simatic S7-1500 Cpu 1515-2 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1515-2
Siemens Simatic S7-1500 Cpu 1515f-2 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1515f-2
Siemens Simatic S7-1500 Cpu 1515r-2 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1515r-2
Siemens Simatic S7-1500 Cpu 1515t-2 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1515t-2
Siemens Simatic S7-1500 Cpu 1515tf-2 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1515tf-2
Siemens Simatic S7-1500 Cpu 1516pro F Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1516pro F
Siemens Simatic S7-1500 Cpu 1516pro-2 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1516pro-2
Siemens Simatic S7-1500 Cpu 1516-3 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1516-3
Siemens Simatic S7-1500 Cpu 1516f-3 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1516f-3
Siemens Simatic S7-1500 Cpu 1516t-3 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1516t-3
Siemens Simatic S7-1500 Cpu 1516tf-3 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1516tf-3
Siemens Simatic S7-1500 Cpu 1517-3 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1517-3
Siemens Simatic S7-1500 Cpu 1517f-3 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1517f-3
Siemens Simatic S7-1500 Cpu 1517tf-3 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1517tf-3
Siemens Simatic S7-1500 Cpu 1518-4 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1518-4
Siemens Simatic S7-1500 Cpu 1518f-4 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1518f-4
Siemens Simatic S7-1500 Cpu 1518hf-4 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1518hf-4
Siemens Simatic S7-1500 Cpu 1518t-4 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1518t-4
Siemens Simatic S7-1500 Cpu 1518tf-4 Firmware>=2.9.2<2.9.4
Siemens Simatic S7-1500 Cpu 1518tf-4

Remediation

Patch Available

https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf

Event History

Feb 9, 2022
CVE Published
via MITRE·03:16 PM
Data Sourced
via MITRE·03:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2021-37185?

CVE-2021-37185 has been assigned a medium severity rating, indicating potential risk in certain scenarios.

2

How do I fix CVE-2021-37185?

To mitigate CVE-2021-37185, users should upgrade to the versions of affected software that are specified in the official Siemens security advisory.

3

What products are affected by CVE-2021-37185?

CVE-2021-37185 affects various Siemens products, including SIMATIC Drive Controllers, SIMATIC ET 200SP, and SIMATIC S7-1200 CPU family.

4

When was CVE-2021-37185 published?

CVE-2021-37185 was published in August 2021, highlighting vulnerabilities in certain Siemens industrial control systems.

5

What type of vulnerability is CVE-2021-37185?

CVE-2021-37185 is primarily a security vulnerability associated with insufficient input validation in the affected Siemens components.

Company

Resources

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