ZDI-CAN-13894: Commvault CommCell AppStudioUploadHandler Arbitrary File Upload Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the AppStudioUploadHandler class. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of NETWORK SERVICE.

Affected Software

1 affected component
Commvault CommCell

Event History

Feb 25, 2025
Advisory Published
via ZDI·11:17 PM
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-13894?

ZDI-CAN-13894 is classified as a critical vulnerability due to its potential to allow remote code execution.

2

How can I fix ZDI-CAN-13894?

To fix ZDI-CAN-13894, update to the latest version of Commvault CommCell that includes the necessary security patches.

3

Who is affected by ZDI-CAN-13894?

ZDI-CAN-13894 affects installations of Commvault CommCell that are vulnerable to the specific flaw in the authentication mechanism.

4

What type of attack can ZDI-CAN-13894 facilitate?

ZDI-CAN-13894 allows remote attackers to execute arbitrary code on vulnerable systems.

5

Is authentication required to exploit ZDI-CAN-13894?

Yes, authentication is required; however, the vulnerability allows the existing authentication mechanism to be bypassed.

Contact

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