CVE-2020-12513 : Security Advisory and Response

Pepper+Fuchs Comtrol IO-Link Master OS Command Injection vulnerability details and mitigation steps.

Understanding CVE-2020-12513

Pepper+Fuchs Comtrol IO-Link Master is susceptible to an authenticated blind OS Command Injection.

What is CVE-2020-12513?

The vulnerability allows attackers to execute arbitrary OS commands due to improper input validation.

The Impact of CVE-2020-12513

CVSS Base Score: 7.5 (High)
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2020-12513

Pepper+Fuchs Comtrol IO-Link Master vulnerability specifics and affected systems.

Vulnerability Description

Type: OS Command Injection (CWE-78)
Severity: High
Privileges Required: Low
Scope: Unchanged

Affected Systems and Versions

Product: Comtrol IO-Link Master
Vendor: Pepper+Fuchs
Affected Versions: <= 1.5.48 (Custom version)

Exploitation Mechanism

Attackers can exploit this vulnerability through authenticated blind OS command injection.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2020-12513.

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 update firmware and software to patch vulnerabilities
Implement network segmentation and access controls

Patching and Updates

Stay informed about security advisories and apply patches promptly