CVE-2021-28461 Explained : Impact and Mitigation

This CVE article provides insights into a Cross-site Scripting Vulnerability in Microsoft Dynamics 365 for Finance and Operations, impacting certain versions. It was published on May 11, 2021.

Understanding CVE-2021-28461

This section delves into the details of the CVE-2021-28461 vulnerability.

What is CVE-2021-28461?

The Dynamics Finance and Operations Cross-site Scripting Vulnerability allows attackers to execute malicious scripts in the context of a victim's session.

The Impact of CVE-2021-28461

The vulnerability poses a spoofing threat, allowing attackers to impersonate users and perform unauthorized actions in affected systems.

Technical Details of CVE-2021-28461

In this section, we explore the technical aspects of the CVE-2021-28461 vulnerability.

Vulnerability Description

The vulnerability affects Dynamics 365 for Finance and Operations version 10.0.0 up to version 10.0.793, enabling attackers to inject and execute arbitrary scripts.

Affected Systems and Versions

The impacted platform is unknown, and only custom versions between 10.0.0 and 10.0.793 are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through user input fields, leading to unauthorized access and data theft.

Mitigation and Prevention

This section provides guidance on mitigating and preventing exploits related to CVE-2021-28461.

Immediate Steps to Take

Users are advised to apply security patches and updates provided by Microsoft to address the vulnerability promptly.

Long-Term Security Practices

Implementing secure coding practices, input validation mechanisms, and security assessments can help prevent Cross-site Scripting attacks in the long term.

Patching and Updates

Regularly updating and patching the Dynamics 365 for Finance and Operations system is crucial to mitigate potential security risks and prevent exploitation of known vulnerabilities.