CVE-2023-33130 : What You Need to Know

Microsoft SharePoint Server Spoofing Vulnerability is a security issue identified in Microsoft SharePoint Server 2019 and Subscription Edition. The vulnerability was published on June 13, 2023, and has a base severity of HIGH with a CVSS base score of 7.3.

Understanding CVE-2023-33130

This section will provide an in-depth look at the nature and impact of the Microsoft SharePoint Server Spoofing Vulnerability.

What is CVE-2023-33130?

The CVE-2023-33130 is a Spoofing vulnerability in Microsoft SharePoint Server, impacting versions 2019 and Subscription Edition. The vulnerability allows attackers to impersonate users or resources, leading to unauthorized access or actions within the system.

The Impact of CVE-2023-33130

With a base severity rating of HIGH and a CVSS base score of 7.3, the Microsoft SharePoint Server Spoofing Vulnerability poses a significant risk to organizations using the affected versions. Attackers can exploit this vulnerability to deceive users and gain access to sensitive information or perform malicious activities.

Technical Details of CVE-2023-33130

In this section, we will delve into the specific technical aspects of the CVE-2023-33130, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability allows threat actors to conduct spoofing attacks on Microsoft SharePoint Server 2019 and Subscription Edition, enabling them to assume the identity of legitimate users or services.

Affected Systems and Versions

Microsoft SharePoint Server 2019: Versions 16.0.0 to 16.0.10399.20005 are affected.
Microsoft SharePoint Server Subscription Edition: Versions 16.0.0 to 16.0.16130.20548 are impacted.

Exploitation Mechanism

Attackers can exploit the CVE-2023-33130 by manipulating the authentication process of Microsoft SharePoint Server, allowing them to impersonate users or services and bypass security controls.

Mitigation and Prevention

This section will outline steps to mitigate the risks associated with CVE-2023-33130 and prevent potential exploitation.

Immediate Steps to Take

Organizations should apply security patches released by Microsoft to address the vulnerability in affected SharePoint Server versions.
Implementing multi-factor authentication and access controls can help mitigate the risk of spoofing attacks.

Long-Term Security Practices

Regularly monitor and update SharePoint Server installations to ensure the latest security patches are applied promptly.
Conduct security awareness training for users to recognize and report suspicious activities that may indicate spoofing attempts.

Patching and Updates

Stay informed about security updates and advisories from Microsoft regarding the Microsoft SharePoint Server Spoofing Vulnerability. Regularly check for new patches and apply them to secure the SharePoint environment.