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.

What is the severity of CVE-2020-7584?

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

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.

How can an attacker exploit CVE-2020-7584?

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

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.

Vulnerability/
CVE-2020-7584

high

7.5

CWE

400

14/7/2020

4/8/2024

CVE-2020-7584

Q: What is the severity of CVE-2020-7584?

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

Q: 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.

Q: How can an attacker exploit CVE-2020-7584?

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

Q: 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.

First published: Tue 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.

Credit: productcert@siemens.com

Affected Software	Affected Version	How to fix
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	>=2.2<2.5.1
Siemens SIMATIC S7-200 SMART ST CPU

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Reference Links

https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf

Frequently Asked Questions

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.
What is the severity of CVE-2020-7584?
CVE-2020-7584 has a severity rating of 7.5 (High).
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.
How can an attacker exploit CVE-2020-7584?
An attacker can exploit CVE-2020-7584 to cause a Denial-of-Service (DoS) situation.
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.

agent/type
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/author
agent/severity
agent/weakness
agent/references
agent/description
agent/first-publish-date
agent/event
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/siemens
canonical/siemens simatic s7-200 smart sr cpu firmware
version/siemens simatic s7-200 smart sr cpu firmware/2.2
canonical/siemens simatic s7-200 smart sr cpu
canonical/siemens simatic s7-200 smart st cpu
version/siemens simatic s7-200 smart st cpu/2.2

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