CVE-2020-15806 Explained : Impact and Mitigation

CODESYS Control runtime system before 3.5.16.10 allows Uncontrolled Memory Allocation.

Understanding CVE-2020-15806

This CVE involves a vulnerability in the CODESYS Control runtime system that permits uncontrolled memory allocation.

What is CVE-2020-15806?

CODESYS Control runtime system before version 3.5.16.10 is susceptible to uncontrolled memory allocation, which can lead to potential security risks.

The Impact of CVE-2020-15806

The vulnerability could be exploited by attackers to execute arbitrary code, cause a denial of service, or potentially gain unauthorized access to systems.

Technical Details of CVE-2020-15806

The technical aspects of the CVE are as follows:

Vulnerability Description

The vulnerability in CODESYS Control runtime system allows uncontrolled memory allocation, posing a security risk.

Affected Systems and Versions

Product: CODESYS Control runtime system
Vendor: CODESYS
Versions Affected: Before 3.5.16.10

Exploitation Mechanism

Attackers can exploit this vulnerability to trigger uncontrolled memory allocation, potentially leading to system compromise.

Mitigation and Prevention

To address CVE-2020-15806, consider the following steps:

Immediate Steps to Take

Update to version 3.5.16.10 or later of the CODESYS Control runtime system.
Monitor for any unusual system behavior that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and firmware to patch known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential breaches.
Conduct regular security assessments and penetration testing to identify and address security weaknesses.

Patching and Updates

Apply patches and updates provided by CODESYS to mitigate the vulnerability and enhance system security.