CVE-2020-12512 : Vulnerability Insights and Analysis

Pepper+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is susceptible to an authenticated reflected POST Cross-Site Scripting vulnerability.

Understanding CVE-2020-12512

This CVE involves a security issue in the Comtrol IO-Link Master product by Pepper+Fuchs.

What is CVE-2020-12512?

CVE-2020-12512 is a vulnerability that allows attackers to execute Cross-Site Scripting attacks on affected systems.

The Impact of CVE-2020-12512

The vulnerability has a CVSS base score of 7.5, indicating a high severity level. It can lead to unauthorized access, data manipulation, and service disruption.

Technical Details of CVE-2020-12512

This section covers specific technical aspects of the CVE.

Vulnerability Description

The vulnerability in Pepper+Fuchs Comtrol IO-Link Master allows authenticated attackers to perform reflected POST Cross-Site Scripting.

Affected Systems and Versions

Product: Comtrol IO-Link Master
Vendor: Pepper+Fuchs
Versions Affected: 1.5.48 and below

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality, Integrity, and Availability Impact: High

Mitigation and Prevention

Protecting systems from CVE-2020-12512 requires specific actions.

Immediate Steps to Take

Update affected units with the following firmware packages:
U-Boot bootloader version 1.36 or newer
System image version 1.52 or newer
Application base version 1.6.11 or newer

Long-Term Security Practices

Regularly monitor and update firmware to patch vulnerabilities
Implement network security measures to prevent unauthorized access

Patching and Updates

Stay informed about security advisories and apply patches promptly to secure systems