CVE-2020-17016 Explained : Impact and Mitigation

Microsoft SharePoint Server Spoofing Vulnerability was published on November 10, 2020, with a CVSS base score of 8.0.

Understanding CVE-2020-17016

This CVE involves a Spoofing vulnerability in Microsoft SharePoint Server.

What is CVE-2020-17016?

The CVE-2020-17016 is a Spoofing vulnerability in Microsoft SharePoint Server, impacting various versions of the software.

The Impact of CVE-2020-17016

The vulnerability has a base severity of HIGH with a CVSS base score of 8.0, making it a significant security issue.

Technical Details of CVE-2020-17016

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability allows spoofing attacks on affected systems, potentially leading to unauthorized access or data manipulation.

Affected Systems and Versions

Microsoft SharePoint Enterprise Server 2016 (Version 16.0.0)
Microsoft SharePoint Enterprise Server 2013 Service Pack 1 (Version 15.0.0)
Microsoft SharePoint Server 2019 (Version 16.0.0)
Microsoft SharePoint Server 2010 Service Pack 2 (Version 13.0.0.0)

Exploitation Mechanism

The vulnerability can be exploited by attackers to impersonate users or entities, gaining unauthorized access to sensitive information.

Mitigation and Prevention

Protect your systems from CVE-2020-17016 with these steps:

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Monitor for any unauthorized access or suspicious activities.
Implement strong authentication mechanisms.

Long-Term Security Practices

Regularly update and patch your Microsoft SharePoint Server.
Conduct security audits and assessments periodically.

Patching and Updates

Stay informed about security updates from Microsoft.
Keep your systems up to date with the latest patches and fixes.