CVE-2021-21456 Explained : Impact and Mitigation

SAP 3D Visual Enterprise Viewer, version - 9, has a vulnerability that allows a user to open malicious DIB files from untrusted sources, causing the application to crash. This issue is due to improper input validation.

Understanding CVE-2021-21456

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-21456.

What is CVE-2021-21456?

CVE-2021-21456 is a vulnerability in SAP 3D Visual Enterprise Viewer, version - 9, that enables attackers to exploit improper input validation, leading to application crashes when opening manipulated DIB files.

The Impact of CVE-2021-21456

The vulnerability in SAP 3D Visual Enterprise Viewer can be exploited by attackers to crash the application, rendering it temporarily unavailable until the user restarts the system. This impacts the availability of the application.

Technical Details of CVE-2021-21456

Let's delve into the specifics of this vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from a lack of proper input validation in SAP 3D Visual Enterprise Viewer, version - 9. Attackers can leverage this flaw by tricking users into opening manipulated DIB files.

Affected Systems and Versions

SAP 3D Visual Enterprise Viewer versions prior to 9 are affected by this vulnerability. Users with these versions are at risk of exploitation through manipulated DIB files.

Exploitation Mechanism

By enticing users to open crafted DIB files, attackers can trigger the vulnerability in SAP 3D Visual Enterprise Viewer, leading to application crashes and temporary unavailability.

Mitigation and Prevention

To safeguard systems from CVE-2021-21456, proactive measures and timely patches are crucial. Learn about immediate steps to take and long-term security practices.

Immediate Steps to Take

Users should refrain from opening DIB files from unknown or untrusted sources. It's advisable to update to a secure version of SAP 3D Visual Enterprise Viewer promptly.

Long-Term Security Practices

Implementing robust input validation mechanisms, security awareness training programs, and staying informed about security updates are essential for long-term protection.

Patching and Updates

SAP SE may release security patches or updates to address CVE-2021-21456. It is recommended to apply these patches promptly to mitigate the risk of exploitation.