CVE-2021-27590 : What You Need to Know

This CVE-2021-27590 article provides an overview of a vulnerability in SAP 3D Visual Enterprise Viewer version 9 that crashes the application when opening manipulated Tag Image File Format (.TIFF) files from untrusted sources.

Understanding CVE-2021-27590

This section will cover the details of CVE-2021-27590, including its impact, technical description, affected systems, exploitation details, and mitigation strategies.

What is CVE-2021-27590?

The vulnerability in CVE-2021-27590 occurs when a user accesses corrupted .TIFF files in SAP 3D Visual Enterprise Viewer version 9, leading to a temporary crash of the application.

The Impact of CVE-2021-27590

The impact of CVE-2021-27590 is categorized as medium severity with a CVSS base score of 4.3. The vulnerability requires user interaction and affects the availability of the application.

Technical Details of CVE-2021-27590

This section dives into the technical aspects of the CVE, examining the vulnerability, affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability arises from improper input validation within SAP 3D Visual Enterprise Viewer version 9, triggered by opening malicious .TIFF files.

Affected Systems and Versions

SAP 3D Visual Enterprise Viewer version 9 is specifically impacted by this vulnerability, with earlier versions remaining unaffected.

Exploitation Mechanism

To exploit CVE-2021-27590, an attacker would need to craft a specially manipulated .TIFF file and entice a user to open it within the vulnerable application.

Mitigation and Prevention

In this section, we discuss the steps to mitigate the risk posed by CVE-2021-27590 and prevent similar vulnerabilities in the future.

Immediate Steps to Take

Users are advised to avoid opening .TIFF files from untrusted sources in SAP 3D Visual Enterprise Viewer version 9 until a security patch is applied.

Long-Term Security Practices

Implementing secure file validation mechanisms and user awareness training can enhance the overall security posture and prevent similar incidents.

Patching and Updates

Regularly check for security updates from SAP SE to ensure that the software is up to date with the latest patches and fixes.