CVE-2020-14478 : Security Advisory and Response

A local, authenticated attacker could exploit weakly configured XML files using an XML External Entity (XXE) attack, potentially leading to a denial-of-service condition and unauthorized access to local or remote content.

Understanding CVE-2020-14478

This CVE involves an improper restriction of XML External Entity Reference (XXE) vulnerability.

What is CVE-2020-14478?

CVE-2020-14478 is a vulnerability that allows a local, authenticated attacker to manipulate XML files through an XXE attack, potentially resulting in a denial-of-service scenario and unauthorized access to files.

The Impact of CVE-2020-14478

The exploitation of this vulnerability could lead to a denial-of-service condition and enable attackers to read any local file via system-level services.

Technical Details of CVE-2020-14478

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability involves an improper restriction of XML External Entity Reference (XXE) that allows attackers to exploit weakly configured XML files.

Affected Systems and Versions

Product: FactoryTalk Services Platform
Vendor: Rockwell Automation
Versions Affected: <= 6.11.00 (unspecified version type)

Exploitation Mechanism

Attackers can use an XXE attack to access local or remote content by manipulating XML files.

Mitigation and Prevention

Protecting systems from CVE-2020-14478 is crucial for maintaining security.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Restrict access to system-level services.
Monitor and review XML file configurations.

Long-Term Security Practices

Regularly update and patch software and systems.
Implement strong authentication mechanisms.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.