CVE-2021-21461 Explained : Impact and Mitigation

SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated BMP files from untrusted sources, causing the application to crash and become temporarily unavailable until restarted. This vulnerability is due to Improper Input Validation.

Understanding CVE-2021-21461

This section delves into the impact, technical details, and mitigation strategies for CVE-2021-21461.

What is CVE-2021-21461?

CVE-2021-21461 describes a vulnerability in SAP 3D Visual Enterprise Viewer where opening manipulated BMP files from untrusted sources can crash the application.

The Impact of CVE-2021-21461

The vulnerability can result in application crashes and temporary unavailability until a manual restart. It poses a medium threat with a CVSS base score of 4.3.

Technical Details of CVE-2021-21461

Let's explore the specifics of the vulnerability.

Vulnerability Description

The issue arises from improper input validation, allowing malicious BMP files to trigger application crashes.

Affected Systems and Versions

SAP 3D Visual Enterprise Viewer versions prior to 9 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this flaw by enticing users to open manipulated BMP files, leading to application instability.

Mitigation and Prevention

Here are the recommended steps to address CVE-2021-21461.

Immediate Steps to Take

Users should avoid opening BMP files from unknown or untrusted sources to prevent exploitation of this vulnerability.

Long-Term Security Practices

Enforce strict input validation routines and educate users about safe file handling practices.

Patching and Updates

Ensure that SAP 3D Visual Enterprise Viewer is updated to version 9 or later, where this vulnerability has been addressed.