Denial of service vulnerability in Siemens CP-8000 and CP-8021 Master Modules
CVE-2022-29884

7.5HIGH

Key Information:

Vendor
Siemens
Status
Cp-8000 Master Module With I/o -25/+70°c
Cp-8000 Master Module With I/o -40/+70°c
Cp-8021 Master Module
Cp-8022 Master Module With Gprs
Vendor
CVE Published:
12 July 2022

Summary

A vulnerability has been discovered in various Siemens CP-8000 and CP-8021 Master Modules, where improper resource handling under certain HTTPS server conditions allows an unauthenticated remote attacker to trigger a denial of service. This affects all versions prior to CPC80 V16.30, potentially leading to device malfunctions and service interruptions.

Affected Version(s)

CP-8000 MASTER MODULE WITH I/O -25/+70°C All versions < CPC80 V16.30

CP-8000 MASTER MODULE WITH I/O -40/+70°C All versions < CPC80 V16.30

CP-8021 MASTER MODULE All versions < CPC80 V16.30

References

https://cert-portal.siemens.com/productcert/pdf/ssa-49162...
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

.