CVE-2020-1049 : Exploit Details and Defense Strategies
Learn about CVE-2020-1049, a cross-site scripting vulnerability in Microsoft Dynamics 365 (on-premises), allowing attackers to execute malicious scripts. Take immediate steps for mitigation.
Microsoft Dynamics 365 Server, version 9.0 (on-premises) is affected by a cross-site scripting vulnerability. This CVE ID is unique from CVE-2020-1050.
Understanding CVE-2020-1049
A cross-site scripting vulnerability exists in Microsoft Dynamics 365 Server, version 9.0 (on-premises) due to inadequate sanitization of web requests.
What is CVE-2020-1049?
This vulnerability occurs when a specially crafted web request is not properly sanitized on an affected Dynamics server.
The Impact of CVE-2020-1049
The vulnerability can allow attackers to execute malicious scripts in the context of the user's browser, potentially leading to data theft or unauthorized actions on the affected Dynamics server.
Technical Details of CVE-2020-1049
Microsoft Dynamics 365 Server, version 9.0 (on-premises) is the specific product affected by this CVE.
Vulnerability Description
The vulnerability stems from the lack of proper sanitization of web requests on the Dynamics server, enabling cross-site scripting attacks.
Affected Systems and Versions
- Product: Dynamics 365 Server, version 9.0 (on-premises)
- Vendor: Microsoft
- Affected Version: Unspecified
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted web requests to the affected Dynamics server, injecting and executing malicious scripts.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-1049.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Implement strict input validation mechanisms to prevent malicious input from impacting the system.
Long-Term Security Practices
- Regularly update and patch Microsoft Dynamics 365 Server to safeguard against known vulnerabilities.
- Conduct security training to educate users on identifying and avoiding potential phishing or malicious websites.
Patching and Updates
Ensure that the system is up to date with the latest security patches and updates from Microsoft to address the cross-site scripting vulnerability.