CVE-2020-25232 : Vulnerability Insights and Analysis

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). This CVE involves the usage of an insecure random number generation function and a deprecated cryptographic function, potentially allowing an attacker to extract the communication key on port 8080/tcp.

Understanding CVE-2020-25232

This CVE pertains to a security issue in Siemens' LOGO! 8 BM (incl. SIPLUS variants) affecting versions prior to V8.3.

What is CVE-2020-25232?

The vulnerability in LOGO! 8 BM (incl. SIPLUS variants) arises from the utilization of insecure random number generation and deprecated cryptographic functions, enabling a potential key extraction by attackers during communication on port 8080/tcp.

The Impact of CVE-2020-25232

The exploitation of this vulnerability could lead to unauthorized access to the affected device and compromise its security measures.

Technical Details of CVE-2020-25232

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability is categorized under CWE-327, involving the use of a broken or risky cryptographic algorithm.

Affected Systems and Versions

Product: LOGO! 8 BM (incl. SIPLUS variants)
Vendor: Siemens
Versions Affected: All versions < V8.3

Exploitation Mechanism

The vulnerability allows attackers to extract the key used in communication with the affected device on port 8080/tcp.

Mitigation and Prevention

To address CVE-2020-25232, follow these mitigation strategies:

Immediate Steps to Take

Update the affected systems to version V8.3 or higher to mitigate the vulnerability.
Implement network segmentation to restrict access to vulnerable devices.

Long-Term Security Practices

Regularly monitor and audit network traffic for any suspicious activities.
Train employees on cybersecurity best practices to enhance overall security posture.

Patching and Updates

Stay informed about security updates and patches released by Siemens for LOGO! 8 BM.