Unauthenticated Access in Siemens CP-8000 and CP-8021 Series Products
CVE-2021-46304

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:
10 August 2022

What is CVE-2021-46304?

A vulnerability exists in multiple models of Siemens CP-8000 and CP-8021 Master Modules that permits the activation of a web server module, providing an avenue for unauthenticated access. This could enable attackers to retrieve sensitive debug-level information, which may include details about the internal network topology and lists of connected systems. The risk is significant as it exposes critical information that could be leveraged for further attacks or unauthorized access.

Affected Version(s)

CP-8000 MASTER MODULE WITH I/O -25/+70°C All versions

CP-8000 MASTER MODULE WITH I/O -40/+70°C All versions

CP-8021 MASTER MODULE All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-18563...
x_refsource_MISC

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.