ZDI-CAN-13756: Commvault CommCell DownloadCenterUploadHandler 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 DownloadCenterUploadHandler 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-13756?

ZDI-CAN-13756 has been assigned a high severity rating due to its potential for remote code execution.

2

How do I fix ZDI-CAN-13756?

To fix ZDI-CAN-13756, update the Commvault CommCell software to the latest version as per vendor guidelines.

3

What impact does ZDI-CAN-13756 have on my system?

ZDI-CAN-13756 allows remote attackers to execute arbitrary code, compromising the security of the affected installation.

4

Is authentication required to exploit ZDI-CAN-13756?

Yes, while authentication is required to exploit ZDI-CAN-13756, it can be bypassed, increasing the risk of exploitation.

5

Which versions of Commvault CommCell are affected by ZDI-CAN-13756?

ZDI-CAN-13756 affects various installations of Commvault CommCell, and specific versions may vary based on the software updates.

Contact

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