CVE-2020-25230 : What You Need to Know

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3) where an attacker could extract the encryption key from captured communication due to the usage of an outdated cipher mode on port 10005/tcp.

Understanding CVE-2020-25230

This CVE involves a cryptographic algorithm vulnerability in Siemens' LOGO! 8 BM (incl. SIPLUS variants) affecting versions prior to V8.3.

What is CVE-2020-25230?

The vulnerability allows attackers to extract encryption keys by exploiting an outdated cipher mode on port 10005/tcp during communication with the affected device.

The Impact of CVE-2020-25230

The exploitation of this vulnerability could lead to unauthorized access to sensitive data and compromise the security of the affected systems.

Technical Details of CVE-2020-25230

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability stems from the use of a broken or risky cryptographic algorithm (CWE-327) in LOGO! 8 BM (incl. SIPLUS variants) versions prior to V8.3.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers exploit an outdated cipher mode on port 10005/tcp to capture communication and extract encryption keys.

Mitigation and Prevention

Protecting systems from CVE-2020-25230 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected systems to version V8.3 or higher to mitigate the vulnerability.
Monitor network traffic for any suspicious activities related to port 10005/tcp.

Long-Term Security Practices

Implement strong encryption protocols and regularly update cryptographic algorithms.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply patches and security updates provided by Siemens to address the vulnerability and enhance system security.