CVE-2021-36950 : What You Need to Know
Learn about CVE-2021-36950, a Cross-site Scripting Vulnerability in Microsoft Dynamics 365 version 9.0. Understand the impact, affected systems, exploitation, and mitigation steps.
Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability (CVE-2021-36950) was made public on August 10, 2021. This vulnerability affects Microsoft Dynamics 365 (on-premises) version 9.0.
Understanding CVE-2021-36950
This section provides insights into the CVE-2021-36950 vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-36950?
CVE-2021-36950 refers to a Cross-site Scripting Vulnerability found in Microsoft Dynamics 365 (on-premises) version 9.0. This vulnerability can be exploited for spoofing attacks.
The Impact of CVE-2021-36950
With a CVSS base score of 5.4 (Medium), this vulnerability can allow an attacker to execute malicious scripts within the context of the user's session and potentially perform various malicious activities.
Technical Details of CVE-2021-36950
Let's delve deeper into the technical aspects of the CVE-2021-36950 vulnerability.
Vulnerability Description
The vulnerability lies in the cross-site scripting issue within Microsoft Dynamics 365 (on-premises) version 9.0.
Affected Systems and Versions
Microsoft Dynamics 365 (on-premises) version 9.0 is affected by this vulnerability, specifically versions up to 9.0.30.2.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into specific inputs, leading to unauthorized access and spoofing attacks.
Mitigation and Prevention
Protecting systems from CVE-2021-36950 requires immediate action and long-term security practices.
Immediate Steps to Take
Update to the latest version of Microsoft Dynamics 365 (on-premises) to mitigate the vulnerability. Implement input validation and output encoding mechanisms to prevent XSS attacks.
Long-Term Security Practices
Regular security assessments, educating users about phishing attacks, and monitoring suspicious activities are essential for maintaining a secure environment.
Patching and Updates
Stay informed about security updates from Microsoft regarding Microsoft Dynamics 365 (on-premises) to ensure the latest patches are applied promptly.