CVE-2023-21572 : Vulnerability Insights and Analysis

This CVE record pertains to a Cross-site Scripting Vulnerability found in Microsoft Dynamics 365 (on-premises) versions 9.1 and 9.0.

Understanding CVE-2023-21572

This section delves into the nature of the CVE-2023-21572 vulnerability and its implications.

What is CVE-2023-21572?

CVE-2023-21572 is a Cross-site Scripting Vulnerability impacting Microsoft Dynamics 365 (on-premises) versions 9.1 and 9.0. This vulnerability allows attackers to execute malicious scripts in a victim's web browser, potentially leading to unauthorized access to sensitive information or manipulation of website content.

The Impact of CVE-2023-21572

The impact of this vulnerability is categorized under "Spoofing" with a medium base severity score of 6.5. Successful exploitation of CVE-2023-21572 could result in various consequences, including data theft, unauthorized actions on behalf of users, and website defacement.

Technical Details of CVE-2023-21572

In this section, we discuss the specific technical aspects of the CVE-2023-21572 vulnerability.

Vulnerability Description

The Cross-site Scripting Vulnerability in Microsoft Dynamics 365 (on-premises) versions 9.1 and 9.0 allows attackers to inject and execute malicious scripts within the context of a legitimate website, compromising the integrity and security of user data.

Affected Systems and Versions

The impacted systems include Microsoft Dynamics 365 (on-premises) version 9.1 (up to version 9.1.16.20) and version 9.0 (up to version 9.0.45.11).

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through user inputs, such as forms or URLs, that are not properly sanitized by the affected software.

Mitigation and Prevention

In this segment, we cover the necessary steps to mitigate and prevent the exploitation of CVE-2023-21572.

Immediate Steps to Take

Organizations using Microsoft Dynamics 365 (on-premises) version 9.1 and 9.0 should apply security patches provided by Microsoft promptly.
Implement input validation and output encoding to prevent script injection attacks.
Educate users about the risks of clicking on untrusted links or entering personal information on suspicious websites.

Long-Term Security Practices

Regularly monitor and update security measures to address emerging threats.
Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.
Stay informed about security best practices and industry trends related to web application security.

Patching and Updates

Ensure that all systems running Microsoft Dynamics 365 (on-premises) version 9.1 and 9.0 are updated with the latest security patches released by Microsoft to mitigate the CVE-2023-21572 vulnerability.