CVE-2020-17115 : What You Need to Know

Microsoft SharePoint Server Spoofing Vulnerability was published on December 8, 2020, with a CVSS base score of 8. This CVE affects various versions of Microsoft SharePoint Server.

Understanding CVE-2020-17115

This CVE involves a Spoofing vulnerability in Microsoft SharePoint Server, impacting multiple versions of the software.

What is CVE-2020-17115?

The CVE-2020-17115 is a Spoofing vulnerability found in Microsoft SharePoint Server, allowing an attacker to impersonate another entity by falsifying data.

The Impact of CVE-2020-17115

This vulnerability has a high severity level with a CVSS base score of 8, indicating a significant risk to affected systems. Attackers could exploit this flaw to deceive users or gain unauthorized access.

Technical Details of CVE-2020-17115

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability in Microsoft SharePoint Server allows for Spoofing, enabling malicious actors to deceive users by assuming false identities.

Affected Systems and Versions

Microsoft SharePoint Server 2019 (Version 16.0.0)
Microsoft SharePoint Enterprise Server 2016 (Version 16.0.0)
Microsoft SharePoint Foundation 2010 Service Pack 2 (Version 13.0.0)
Microsoft SharePoint Foundation 2013 Service Pack 1 (Version 15.0.0)

Exploitation Mechanism

The vulnerability can be exploited by attackers to impersonate legitimate entities within the SharePoint environment, potentially leading to unauthorized access or data manipulation.

Mitigation and Prevention

To address CVE-2020-17115, follow these mitigation strategies:

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Monitor for any suspicious activities on SharePoint servers.
Educate users about potential spoofing attacks and phishing attempts.

Long-Term Security Practices

Regularly update and patch SharePoint servers to prevent known vulnerabilities.
Implement multi-factor authentication to enhance access security.
Conduct security training for employees to recognize and report suspicious activities.

Patching and Updates

Ensure that all Microsoft SharePoint Server instances are updated with the latest security patches to mitigate the risk of spoofing attacks.