CVE-2020-7584: High severity siemens simatic s7-200 smart firmware vulnerability

Published Jul 14, 2020
·
Updated

A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation.

Affected Software

4 affected components
Siemens Simatic S7-200 Smart Sr Cpu Firmware>=2.2<2.5.1
Siemens Simatic S7-200 Smart Sr Cpu
Siemens Simatic S7-200 Smart St Cpu Firmware>=2.2<2.5.1
Siemens Simatic S7-200 Smart St Cpu

Event History

Jul 14, 2020
CVE Published
via MITRE·01:18 PM
Data Sourced
via MITRE·01:18 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2020-7584?

CVE-2020-7584 is a vulnerability identified in the SIMATIC S7-200 SMART CPU family, versions >= V2.2 < V2.5.1.

2

What is the severity of CVE-2020-7584?

CVE-2020-7584 has a severity rating of 7.5 (High).

3

How does CVE-2020-7584 affect affected devices?

Affected devices may crash under certain circumstances due to the improper handling of large numbers of new incoming connections.

4

How can an attacker exploit CVE-2020-7584?

An attacker can exploit CVE-2020-7584 to cause a Denial-of-Service (DoS) situation.

5

Is there a fix available for CVE-2020-7584?

The fix for CVE-2020-7584 is to update the affected SIMATIC S7-200 SMART CPU devices to a version >= V2.5.1.

Contact

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