CVE-2020-16950 : What You Need to Know

On October 13, 2020, Microsoft SharePoint Server 2019 was found to have an information disclosure vulnerability that could compromise user systems.

Understanding CVE-2020-16950

An information disclosure vulnerability in Microsoft SharePoint Server 2019 could allow attackers to access sensitive information.

What is CVE-2020-16950?

This vulnerability arises from SharePoint Server's improper handling of objects in memory, enabling attackers to gather data for further system compromise.

The Impact of CVE-2020-16950

Exploiting this flaw could lead to unauthorized access to critical information, potentially resulting in system compromise and data breaches.

Technical Details of CVE-2020-16950

Microsoft SharePoint Server 2019 is affected by this vulnerability, with version 16.0.0 being susceptible.

Vulnerability Description

The flaw allows attackers to extract information by manipulating objects in memory, posing a risk to system integrity.

Affected Systems and Versions

Vendor: Microsoft
Product: Microsoft SharePoint Server 2019
Platforms: x64-based Systems
Version: 16.0.0 (custom)

Exploitation Mechanism

To exploit, attackers need to log in to the system and execute a specially crafted application.

Mitigation and Prevention

Immediate action is crucial to safeguard systems against CVE-2020-16950.

Immediate Steps to Take

Apply the security update provided by Microsoft promptly.
Monitor system logs for any suspicious activities.
Restrict user permissions to minimize the attack surface.

Long-Term Security Practices

Regularly update and patch SharePoint Server to address vulnerabilities.
Conduct security training to educate users on identifying and reporting potential threats.
Implement network segmentation to contain potential breaches.

Patching and Updates

Microsoft has released a security update to address the vulnerability in SharePoint Server 2019.