CVE-2020-1227 : Vulnerability Insights and Analysis

Microsoft Office SharePoint XSS Vulnerability was published on September 8, 2020, and has a medium base severity score of 5.4.

Understanding CVE-2020-1227

A detailed overview of the XSS vulnerability in Microsoft SharePoint servers.

What is CVE-2020-1227?

A cross-site-scripting (XSS) vulnerability affecting Microsoft SharePoint Server's handling of web requests.
Attackers could exploit this flaw to execute XSS attacks, manipulate user identities, and inject malicious content.

The Impact of CVE-2020-1227

Spoofing impact type, allowing attackers to perform unauthorized actions on affected SharePoint servers.

Technical Details of CVE-2020-1227

An insight into the technical aspects of the vulnerability.

Vulnerability Description

Microsoft SharePoint Server fails to adequately sanitize web requests, enabling authenticated attackers to execute XSS attacks.

Affected Systems and Versions

Microsoft SharePoint Enterprise Server 2016 (v16.0.0)
Microsoft SharePoint Enterprise Server 2013 Service Pack 1 (v15.0.0)
Microsoft SharePoint Server 2019 (v16.0.0)

Exploitation Mechanism

Authenticated attackers can send specially crafted requests to exploit the XSS vulnerability, compromising system security.

Mitigation and Prevention

Ways to address and prevent the CVE-2020-1227 vulnerability.

Immediate Steps to Take

Apply the security update provided by Microsoft to ensure SharePoint Server sanitizes web requests properly.

Long-Term Security Practices

Regularly monitor and update SharePoint servers to safeguard against potential XSS attacks.

Patching and Updates

Stay informed about security patches and updates from Microsoft to address vulnerabilities effectively.