CVE-2020-7584

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.39%
Vendor Advisory siemens.com
Affected: Siemens AG SIMATIC S7-200 SMART CPU family
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-7584?
CVE-2020-7584 has been scored as a high severity vulnerability.
How to fix CVE-2020-7584?
To fix CVE-2020-7584, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-7584 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-7584 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-7584?
CVE-2020-7584 affects Siemens AG SIMATIC S7-200 SMART CPU family.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.