CVE-2024-30044: Microsoft SharePoint Server Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 7.2)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

More Likely

Patch Tuesday

2024-May

Released

2024-05-14

Last Updated

2024-05-15

EPSS Score

48.01% (percentile: 97.7%)

FAQ

How could an attacker exploit the vulnerability? An authenticated attacker with Site Owner permissions or higher could upload a specially crafted file to the targeted SharePoint Server and craft specialized API requests to trigger deserialization of file's parameters. This would enable the attacker to perform remote code execution in the context of the SharePoint Server. According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability? An authenticated attacker with Site Owner permissions can use the vulnerability to inject arbitrary code and execute this code in the context of SharePoint Server.

Affected Products (3)

Microsoft Office

• Microsoft SharePoint Enterprise Server 2016
• Microsoft SharePoint Server 2019
• Microsoft SharePoint Server Subscription Edition

Security Updates (3)

• 5002598
• 5002596
• 5002599

Acknowledgments

Anonymous

Revision History

• 2024-05-14: Information published.
• 2024-05-15: Added an FAQ and updated the CVSS score. This is an informational change only.