CVE-2021-21448 : Security Advisory and Response

SAP GUI for Windows version 7.60 has a vulnerability that allows an attacker to spoof logon credentials for Application Server ABAP backend systems, potentially leading to unauthorized access to restricted information by exploiting the client PC's memory. The attack can only be performed locally on the victim's PC with user authorization of the Operating System user.

Understanding CVE-2021-21448

This section delves into the impact and technical aspects of the CVE-2021-21448 vulnerability.

What is CVE-2021-21448?

SAP GUI for Windows, version 7.60, enables attackers to manipulate logon credentials, accessing otherwise restricted information locally on the client PC under specific conditions.

The Impact of CVE-2021-21448

The vulnerability poses a medium severity risk, with high confidentiality impact, requiring low privileges for exploitation, and user interaction on the victim's PC.

Technical Details of CVE-2021-21448

Here we explore the specifics of the vulnerability.

Vulnerability Description

The flaw allows unauthorized access to sensitive information on client PCs running SAP GUI for Windows 7.60.

Affected Systems and Versions

SAP GUI FOR WINDOWS versions below 7.60 are affected by this vulnerability.

Exploitation Mechanism

Attackers with at least user authorization on the victim's Operating System can exploit the flaw locally.

Mitigation and Prevention

Discover how to protect systems against CVE-2021-21448.

Immediate Steps to Take

Users should update SAP GUI FOR WINDOWS to version 7.60 or above and monitor for any unauthorized access.

Long-Term Security Practices

Enforce user access controls and educate users on identifying and reporting suspicious activity.

Patching and Updates

Regularly apply security patches and updates from SAP to address vulnerabilities.