CVE-2021-21455 : What You Need to Know

SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated DIB file received from untrusted sources which results in crashing of the application and becoming temporarily unavailable until the user restarts the application. This is caused due to Improper Input Validation.

Understanding CVE-2021-21455

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-21455.

What is CVE-2021-21455?

CVE-2021-21455 involves an issue in SAP 3D Visual Enterprise Viewer where an attacker can exploit improper input validation, leading to application crashes and temporary unavailability.

The Impact of CVE-2021-21455

The vulnerability in SAP 3D Visual Enterprise Viewer could be exploited by malicious actors to disrupt the application's functionality, impacting user experience and productivity.

Technical Details of CVE-2021-21455

Let's delve into the specific technical aspects of CVE-2021-21455 to understand the vulnerability better.

Vulnerability Description

The vulnerability arises from the software's inability to properly validate input data, allowing attackers to introduce manipulated files that can crash the application.

Affected Systems and Versions

SAP 3D Visual Enterprise Viewer versions prior to 9 are impacted by this vulnerability, exposing them to potential exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing a user to open a specially crafted DIB file from an untrusted source, triggering the application crash.

Mitigation and Prevention

To address CVE-2021-21455 and enhance overall security posture, certain mitigation and prevention steps are crucial.

Immediate Steps to Take

Users should refrain from opening files from unknown or untrusted sources to mitigate the risk of falling victim to this vulnerability.

Long-Term Security Practices

Implementing robust input validation mechanisms and continuously updating software versions can help prevent similar security issues in the future.

Patching and Updates

Regularly check for security patches and updates released by SAP SE to remediate CVE-2021-21455 and stay protected against potential threats.