CVE-2020-28386 Explained : Impact and Mitigation

A vulnerability has been identified in Solid Edge SE2020 and SE2021 versions that could allow an attacker to execute code in the context of the current process.

Understanding CVE-2020-28386

This CVE involves an out-of-bounds write vulnerability in Siemens' Solid Edge software.

What is CVE-2020-28386?

The vulnerability in Solid Edge SE2020 and SE2021 allows attackers to exploit user-supplied data parsing in DFT files, potentially leading to code execution.

The Impact of CVE-2020-28386

The vulnerability could result in an out-of-bounds write past the end of an allocated structure, enabling malicious actors to execute arbitrary code within the affected application.

Technical Details of CVE-2020-28386

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue arises from a lack of proper validation of user-supplied data during the parsing of DFT files in Solid Edge SE2020 and SE2021.

Affected Systems and Versions

Solid Edge SE2020: All Versions < SE2020MP12
Solid Edge SE2021: All Versions < SE2021MP2

Exploitation Mechanism

Attackers can exploit this vulnerability by providing specially crafted data in DFT files, triggering an out-of-bounds write and potentially executing malicious code.

Mitigation and Prevention

Protecting systems from CVE-2020-28386 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Siemens promptly.
Monitor for any unusual activities on the affected systems.
Consider restricting access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Conduct security training for employees to recognize and report suspicious activities.

Patching and Updates

Siemens has released patches to address the vulnerability in Solid Edge SE2020 and SE2021.