CVE-2021-34474 : Exploit Details and Defense Strategies
Discover the critical CVE-2021-34474 impacting Microsoft Dynamics 365 Business Central with a high severity rating. Learn about the impact, affected versions, and mitigation steps.
Microsoft Dynamics Business Central is found to have a Remote Code Execution Vulnerability, assigned CVE-2021-34474.
Understanding CVE-2021-34474
This CVE identifies a critical Remote Code Execution vulnerability in Microsoft Dynamics Business Central.
What is CVE-2021-34474?
The CVE-2021-34474 refers to a Remote Code Execution vulnerability in Microsoft Dynamics 365 Business Central, allowing attackers to execute arbitrary code remotely.
The Impact of CVE-2021-34474
The impact of this vulnerability is rated as HIGH with a CVSS base score of 8.0. It poses a significant risk as attackers can execute malicious scripts and commands on affected systems.
Technical Details of CVE-2021-34474
This section covers the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability allows threat actors to remotely execute code on affected Microsoft Dynamics Business Central systems, potentially leading to complete system compromise.
Affected Systems and Versions
- Microsoft Dynamics 365 Business Central 2020 Release Wave 1 - Update 16.14: Affected version 16.0.
- Microsoft Dynamics 365 Business Central 2020 Release Wave 2 - Update 17.8: Affected version 17.0.
- Microsoft Dynamics 365 Business Central 2021 Release Wave 1 - Update 18.3: Affected version 18.0.
Exploitation Mechanism
The vulnerability can be exploited by remote attackers to execute arbitrary code by sending specially crafted requests to the affected Business Central systems.
Mitigation and Prevention
To protect systems from CVE-2021-34474, immediate steps should be taken to secure the environment.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Implement network security measures to restrict access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities.
- Conduct security audits and penetration testing to identify and remediate weaknesses.
- Educate users on practicing safe computing habits to prevent malicious attacks.
Patching and Updates
Stay informed about security updates and patches released by Microsoft for Microsoft Dynamics Business Central to mitigate the risk posed by CVE-2021-34474.