Denial-of-Service Vulnerability in Siemens SIMATIC S7-200 SMART CPU Family
CVE-2020-7584

7.5HIGH

Key Information:

Vendor
Siemens
Status
Simatic S7-200 Smart Cpu Family
Vendor
CVE Published:
14 July 2020

Summary

A significant vulnerability exists within the SIMATIC S7-200 SMART CPU family, affecting all versions from V2.2 to below V2.5.1. This issue arises when the devices inadequately manage a high volume of incoming connections, which can lead to a system crash under specific circumstances. Attackers exploiting this flaw could trigger a Denial-of-Service condition, rendering the affected devices unresponsive and disrupting operations.

Affected Version(s)

SIMATIC S7-200 SMART CPU family All versions >= V2.2 < V2.5.1

References

https://cert-portal.siemens.com/productcert/pdf/ssa-58918...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.