CVE-2020-1181 Explained : Impact and Mitigation
Learn about CVE-2020-1181, a remote code execution vulnerability in Microsoft SharePoint Server affecting versions 2016, 2019, 2010 Service Pack 2, and 2013 Service Pack 1. Find mitigation steps and patching recommendations here.
A remote code execution vulnerability in Microsoft SharePoint Server has been identified and could allow attackers to execute arbitrary code.
Understanding CVE-2020-1181
What is CVE-2020-1181?
A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to correctly identify and filter unsafe ASP.Net web controls.
The Impact of CVE-2020-1181
This vulnerability could be exploited by remote attackers to execute arbitrary code on the target system, potentially leading to full system compromise.
Technical Details of CVE-2020-1181
Vulnerability Description
The vulnerability allows attackers to execute code on the SharePoint server due to improper filtering of ASP.Net web controls.
Affected Systems and Versions
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft SharePoint Foundation 2010 Service Pack 2
- Microsoft SharePoint Foundation 2013 Service Pack 1
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted requests to the affected SharePoint server, bypassing the filtering mechanism and executing malicious code.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by Microsoft for the affected SharePoint versions.
- Monitor network traffic for any signs of exploitation attempts targeting this vulnerability.
Long-Term Security Practices
- Regularly update and patch Microsoft SharePoint to prevent security vulnerabilities.
- Implement network segmentation and access controls to limit the attack surface.
Patching and Updates
Ensure prompt installation of security patches released by Microsoft to address this vulnerability.