Denial of Service Vulnerability in Siemens PROFINET IO Products
CVE-2019-19300

7.5HIGH

Key Information:

Vendor
Siemens
Status
Development/evaluation Kits For Profinet Io: Ek-ertec 200
Development/evaluation Kits For Profinet Io: Ek-ertec 200p
Ktk Ate530s
Sidoor Atd430w
Vendor
CVE Published:
14 April 2020

Summary

A vulnerability has been discovered in the Interniche-based TCP Stack used by various Siemens PROFINET IO products. This vulnerability allows an attacker to force the stack into making prohibitively expensive calls for each incoming packet. As a result, this can exhaust system resources and lead to a denial of service condition, disrupting normal operations of affected devices.

Affected Version(s)

Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200 All versions

Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P All versions

KTK ATE530S All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-59327...
https://cert-portal.siemens.com/productcert/html/ssa-5932...

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

.