CVE-2020-28381 Explained : Impact and Mitigation

A vulnerability has been identified in Solid Edge SE2020 and SE2021, allowing attackers to execute code in the context of the current process.

Understanding CVE-2020-28381

This CVE involves a lack of proper validation of user-supplied data in Solid Edge applications, potentially leading to code execution.

What is CVE-2020-28381?

The vulnerability in Solid Edge SE2020 and SE2021 allows for an out-of-bounds write into uninitialized memory, enabling attackers to run code within the current process.

The Impact of CVE-2020-28381

Exploitation of this vulnerability could result in unauthorized code execution, posing a significant security risk to affected systems.

Technical Details of CVE-2020-28381

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

Vulnerability Description

The vulnerability arises from inadequate validation of user-supplied data during PAR file parsing, leading to potential out-of-bounds writes.

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 malicious input, triggering out-of-bounds writes and executing arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2020-28381 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Siemens promptly.
Monitor vendor security advisories for updates.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and audits.
Educate users on safe computing practices and awareness of social engineering tactics.

Patching and Updates

Regularly update Solid Edge software to the latest versions.
Follow best practices for secure coding and input validation to prevent similar vulnerabilities in the future.