CVE-2021-40457 : Vulnerability Insights and Analysis

Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability was published on October 13, 2021.

Understanding CVE-2021-40457

This CVE affects Microsoft Dynamics 365 Customer Engagement V9.1 and V9.0 instances with specific versions.

What is CVE-2021-40457?

Identified as a Cross-Site Scripting (XSS) Vulnerability in Microsoft Dynamics 365 Customer Engagement.

The Impact of CVE-2021-40457

Impact Type: Spoofing
Base Severity: High
CVSS Score: 7.4 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:F/RL:O/RC:C)

Technical Details of CVE-2021-40457

This section provides in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to inject malicious scripts into webpages viewed by users.

Affected Systems and Versions

Affected Products: Microsoft Dynamics 365 Customer Engagement V9.1 and V9.0
Vulnerable Versions: V9.0 (less than 9.1.4) and V9.0.0 (less than 9.0.31.7)
Platform: Unknown

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through user input fields, leading to unauthorized actions.

Mitigation and Prevention

Learn how to mitigate and prevent this vulnerability.

Immediate Steps to Take

Apply security updates provided by Microsoft immediately.
Monitor and restrict user inputs to prevent script injections.

Long-Term Security Practices

Regularly update and patch Microsoft Dynamics 365 Customer Engagement to the latest versions.

Patching and Updates

Stay informed about security advisories from Microsoft and apply patches promptly.