CVE-2020-25228 : Security Advisory and Response

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) that could allow unauthorized access to services, potentially leading to full control over affected devices.

Understanding CVE-2020-25228

This CVE involves a security issue in Siemens' LOGO! 8 BM (incl. SIPLUS variants) with versions below V8.3.

What is CVE-2020-25228?

The vulnerability in LOGO! 8 BM (incl. SIPLUS variants) allows attackers to exploit a service on port 10005/tcp, granting unauthorized access to all services without authentication. This could enable an attacker to take complete control of the affected device.

The Impact of CVE-2020-25228

The vulnerability poses a significant security risk as unauthorized access could result in complete compromise of the affected device, potentially leading to severe consequences.

Technical Details of CVE-2020-25228

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in LOGO! 8 BM (incl. SIPLUS variants) allows unauthorized access to services without authentication, potentially leading to full control over the affected device.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by accessing a specific service on port 10005/tcp, enabling attackers to gain complete control over the affected device.

Mitigation and Prevention

Protecting systems from CVE-2020-25228 requires immediate actions and long-term security practices.

Immediate Steps to Take

Implement access controls to restrict unauthorized access to port 10005/tcp.
Apply the recommended security measures provided by Siemens to safeguard the affected devices.

Long-Term Security Practices

Regularly monitor and update security configurations to prevent unauthorized access.
Conduct security assessments and audits to identify and address potential vulnerabilities.

Patching and Updates

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