ZDI-CAN-13349: Microsoft SharePoint WorkflowCompilerInternal Exposed Dangerous Function Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint. Authentication is required to exploit this vulnerability. The specific flaw exists within the System.Workflow.ComponentModel.Compiler.WorkflowCompilerInternal class. This class allows an attacker to specify a path to an arbitrary workflow definition file. An attacker can leverage this vulnerability to execute code in the context of the web service account.

Affected Software

1 affected component
Microsoft SharePoint

Event History

Feb 22, 2025
Advisory Published
via ZDI·03:03 PM

Frequently Asked Questions

1

What is the severity of ZDI-CAN-13349?

The severity of ZDI-CAN-13349 is critical due to its ability to allow remote code execution.

2

What systems are affected by ZDI-CAN-13349?

ZDI-CAN-13349 affects installations of Microsoft SharePoint that are configured to accept user input.

3

How do I fix ZDI-CAN-13349?

To fix ZDI-CAN-13349, apply the latest security updates released by Microsoft for SharePoint.

4

Is authentication required to exploit ZDI-CAN-13349?

Yes, authentication is required to exploit the ZDI-CAN-13349 vulnerability.

5

Can ZDI-CAN-13349 lead to data breaches?

Yes, ZDI-CAN-13349 can lead to data breaches if exploited, as it allows remote attackers to execute arbitrary code.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203