CVE-2020-1320 : What You Need to Know
Learn about CVE-2020-1320, a critical cross-site scripting vulnerability in Microsoft SharePoint servers allowing spoofing attacks. Find mitigation steps and necessary updates.
A cross-site-scripting (XSS) vulnerability exists in Microsoft SharePoint servers, potentially allowing spoofing attacks.
Understanding CVE-2020-1320
What is CVE-2020-1320?
CVE-2020-1320 is a cross-site-scripting vulnerability in Microsoft SharePoint servers that arises due to improper sanitization of web requests.
The Impact of CVE-2020-1320
This vulnerability could be exploited by malicious actors to conduct spoofing attacks, compromising the security of affected SharePoint servers.
Technical Details of CVE-2020-1320
Vulnerability Description
The XSS vulnerability in Microsoft SharePoint Server allows specially crafted web requests to bypass proper sanitization mechanisms.
Affected Systems and Versions
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft SharePoint Server 2010 Service Pack 2
- Microsoft SharePoint Foundation 2013 Service Pack 1
Exploitation Mechanism
The vulnerability can be exploited by sending specifically crafted requests to SharePoint servers, potentially leading to XSS attacks.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by Microsoft.
- Implement proper input sanitization measures on SharePoint servers.
Long-Term Security Practices
- Regularly monitor and audit web requests and user inputs on SharePoint servers.
- Conduct security training for personnel managing SharePoint deployments.
Patching and Updates
Update SharePoint servers to the latest versions or apply patches released by Microsoft.