Unauthorized Access Vulnerability in SIMATIC CN 4100 by Siemens
CVE-2023-49621

9.8CRITICAL

Key Information:

Vendor
Siemens
Vendor
CVE Published:
9 January 2024

Summary

A vulnerability has been identified in the SIMATIC CN 4100 application, specifically affecting all versions prior to V2.7. This vulnerability arises from the 'intermediate installation' state of the system, which utilizes default credentials with admin privileges. An attacker can exploit this configuration to gain complete control over the affected device, posing serious implications for industrial control system security. It is essential for users to ensure proper credential management and upgrade to secure versions to mitigate potential risks.

Affected Version(s)

SIMATIC CN 4100 All versions < V2.7

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.