CVE-2023-24891 Explained : Impact and Mitigation

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

Understanding CVE-2023-24891

This vulnerability impacts Microsoft Dynamics 365 (on-premises) version 9.1 and version 9.0. It is categorized under "Spoofing" as per the impact classification.

What is CVE-2023-24891?

CVE-2023-24891 is a Cross-site Scripting Vulnerability found in Microsoft Dynamics 365 (on-premises), specifically affecting versions 9.1 and 9.0. This vulnerability could allow an attacker to execute malicious scripts in a victim's web browser.

The Impact of CVE-2023-24891

The impact of this vulnerability is categorized as "Spoofing." Successful exploitation could lead to unauthorized access, data theft, or other malicious activities by an attacker posing as a legitimate user.

Technical Details of CVE-2023-24891

This section covers essential technical details related to the CVE-2023-24891 vulnerability in Microsoft Dynamics 365 (on-premises).

Vulnerability Description

The vulnerability allows for Cross-site Scripting (XSS) attacks in Microsoft Dynamics 365 (on-premises), enabling attackers to inject and execute arbitrary scripts in the context of a user's session.

Affected Systems and Versions

Affected Systems: Microsoft Dynamics 365 (on-premises)
Affected Versions:
Version 9.1: Versions from 9.1.0 to less than 9.1.16.20
Version 9.0: Versions from 9.0.0 to less than 9.0.45.11

Exploitation Mechanism

The vulnerability can be exploited by tricking a user into clicking on a specially crafted link or visiting a malicious website that contains the injected script.

Mitigation and Prevention

Mitigating CVE-2023-24891 requires proactive steps to enhance the security posture of affected systems and prevent exploitation.

Immediate Steps to Take

Patch Management: Apply security updates provided by Microsoft promptly to address the vulnerability.
User Awareness: Educate users about the risks of clicking on untrusted links or visiting suspicious websites.
Web Application Security: Implement secure coding practices and input validation to mitigate XSS vulnerabilities.

Long-Term Security Practices

Regular Security Audits: Conduct periodic security assessments to identify and remediate vulnerabilities.
Security Training: Provide ongoing security awareness training to employees to enhance cybersecurity hygiene.
Incident Response Plan: Develop a comprehensive incident response plan to mitigate the impact of successful attacks.

Patching and Updates

Microsoft may release security updates or patches to address CVE-2023-24891. Ensure that the systems running Microsoft Dynamics 365 are updated with the latest patches to mitigate the risk of exploitation.