Learn about CVE-2023-36890, an information disclosure vulnerability in Microsoft SharePoint Server 2019 and Subscription Edition. Find out its impact, affected systems, and mitigation steps.
This article provides an overview of CVE-2023-36890, a vulnerability in Microsoft SharePoint Server that can lead to information disclosure.
Understanding CVE-2023-36890
This section delves into the details of the vulnerability and its potential impact.
What is CVE-2023-36890?
The CVE-2023-36890 vulnerability is an information disclosure issue in Microsoft SharePoint Server, specifically affecting version 16.0.0. Attackers can exploit this vulnerability to access sensitive information.
The Impact of CVE-2023-36890
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 6.5. It allows attackers to compromise data confidentiality within the affected systems.
Technical Details of CVE-2023-36890
In this section, we explore the technical aspects of the CVE-2023-36890 vulnerability.
Vulnerability Description
The vulnerability arises from a flaw in Microsoft SharePoint Server, enabling unauthorized disclosure of information to malicious actors.
Affected Systems and Versions
Microsoft SharePoint Server 2019 versions below 16.0.10401.20025 and Subscription Edition versions below 16.0.16130.20684 are vulnerable to this issue.
Exploitation Mechanism
By exploiting this vulnerability, threat actors can gain unauthorized access to sensitive data stored within the affected SharePoint Server instances.
Mitigation and Prevention
This section outlines steps to mitigate the CVE-2023-36890 vulnerability and prevent potential exploitation.
Immediate Steps to Take
Microsoft recommends applying security updates provided to address the vulnerability. Organizations should update affected SharePoint Server instances promptly.
Long-Term Security Practices
In addition to patching, implementing secure configurations, access controls, and regular security audits can enhance the overall security posture against such vulnerabilities.
Patching and Updates
Regularly checking for and applying security updates from Microsoft is crucial to remediate CVE-2023-36890 and protect SharePoint Servers from potential exploitation.