CVE-2020-28387 : Vulnerability Insights and Analysis

A vulnerability has been identified in Solid Edge SE2020 and SE2021 that could allow remote attackers to access arbitrary files when opening a specially crafted file.

Understanding CVE-2020-28387

This CVE affects Solid Edge SE2020 and SE2021 versions prior to specific maintenance patches.

What is CVE-2020-28387?

The vulnerability in Solid Edge SE2020 and SE2021 allows remote attackers to access arbitrary files by exploiting specially crafted SEECTCXML files.

The Impact of CVE-2020-28387

If exploited, this vulnerability could lead to unauthorized access to sensitive files and information, posing a significant security risk to affected systems.

Technical Details of CVE-2020-28387

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from passing specially crafted content to the underlying XML parser without proper restrictions, such as prohibiting an external DTD, in Solid Edge SE2020 and SE2021.

Affected Systems and Versions

Product: Solid Edge SE2020
Vendor: Siemens
Affected Versions: All Versions < SE2020MP13
Product: Solid Edge SE2021
Vendor: Siemens
Affected Versions: All Versions < SE2021MP3

Exploitation Mechanism

By opening a malicious SEECTCXML file, remote attackers can exploit the vulnerability to gain unauthorized access to files on the system.

Mitigation and Prevention

Protect your systems from CVE-2020-28387 with the following steps:

Immediate Steps to Take

Apply the necessary security patches provided by Siemens.
Avoid opening untrusted or suspicious files, especially SEECTCXML files.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement file access restrictions and user permissions to limit exposure to potential attacks.

Patching and Updates

Ensure that your Solid Edge SE2020 and SE2021 installations are updated to the latest maintenance patches to address this vulnerability.