CVE-2023-24950 : What You Need to Know

This CVE record pertains to a Microsoft SharePoint Server Spoofing Vulnerability that was published on May 9, 2023. The vulnerability was assigned a CVSS base score of 6.5, categorizing it as a medium severity issue.

Understanding CVE-2023-24950

This section delves into the specifics of CVE-2023-24950, shedding light on the vulnerability's nature and its impact on affected systems.

What is CVE-2023-24950?

CVE-2023-24950 refers to a Spoofing Vulnerability found in Microsoft SharePoint Server, affecting multiple versions of the software. This vulnerability could potentially be exploited by attackers to deceive users or gain unauthorized access.

The Impact of CVE-2023-24950

If successfully exploited, this vulnerability could result in unauthorized actions being performed by attackers in the context of the affected SharePoint Server instances. This could lead to data breaches, unauthorized access to sensitive information, or other malicious activities.

Technical Details of CVE-2023-24950

In this section, we will explore the vulnerability description, the systems and versions impacted, as well as the exploitation mechanism.

Vulnerability Description

The spoofing vulnerability in Microsoft SharePoint Server allows malicious actors to impersonate legitimate users or entities, leading to potential security breaches and unauthorized activities within the affected systems.

Affected Systems and Versions

The following Microsoft SharePoint Server versions are affected by CVE-2023-24950:

Microsoft SharePoint Enterprise Server 2016 (Version: 16.0.0, Less Than: 16.0.5395.1000)
Microsoft SharePoint Server 2019 (Version: 16.0.0, Less Than: 16.0.10398.20000)
Microsoft SharePoint Server Subscription Edition (Version: 16.0.0, Less Than: 16.0.16130.20420) These versions are vulnerable on x64-based systems.

Exploitation Mechanism

To exploit this vulnerability, attackers could use various techniques such as crafting spoofed requests or manipulating data to trick users or systems into accepting false identities, potentially leading to unauthorized access and data manipulation.

Mitigation and Prevention

Mitigating this vulnerability is crucial to ensure the security of Microsoft SharePoint Server installations. Here are some important steps to take:

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Monitor network traffic and system logs for any suspicious activity.
Educate users about potential spoofing attacks and encourage vigilance when interacting with SharePoint Server.

Long-Term Security Practices

Implement multi-factor authentication to enhance user identity verification.
Regularly update and patch SharePoint Server to address known vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates from Microsoft for SharePoint Server to address vulnerabilities like CVE-2023-24950. Regularly applying patches and updates is essential to maintaining the security of your systems.