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Technical Tip: Using FortiAnalyzer to detect activities related to the Commvault Command Center Path Traversal Vulnerability | CVE-2025-34028

Forum|Forum|1 year ago
May 2, 2025
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Description

This article describes how to use a custom event handler in FortiAnalyzer to raise alerts for incident response related to attacks that attempt to leverage the Commvault Command Center Path Traversal Vulnerability. A report is also provided to gain historical visibility into the logs.

Note that this article provides alpha files, which are automatically generated. The article will be continually updated as more information becomes available.

Scope

This article contains the files necessary to load an event handler and report into the FortiAnalyzer for either a Fabric ADOM or a FortiGate ADOM. The Fabric report and event handler leverage logs from other Fortinet products that can be used to detect the attack in addition to FortiGate logs.

For more information about this attack, see the following FortiGuard Outbreak Alert:

Commvault Command Center Path Traversal Vulnerability.

Solution

What is included in Fortinet_Commvault Command Center Path Traversal Vulnerability.zip:

Commvault Command Center Path Traversal Vulnerability_event-handler.json: This event handler helps identify Commvault Command Center Path Traversal Vulnerability detected by FortiGate and other Fortinet products. This event handler is configured for Fabric ADOMs.
Commvault Command Center Path Traversal Vulnerability_report.dat: This report displays the findings on Commvault Command Center Path Traversal Vulnerability from FortiGate and other Fortinet products. This report is configured for Fabric ADOMs.
fgt_Commvault Command Center Path Traversal Vulnerability_event-handler.json: The event handler for FortiGate ADOMs is configured for FortiGate logs only.
fgt_Commvault Command Center Path Traversal Vulnerability_report.dat: The FortiGate ADOMs report includes only FortiGate charts.

Steps:

Download the Fortinet_Commvault Command Center Path Traversal Vulnerability.zip file (contains 4 files).
Unzip Fortinet_Commvault Command Center Path Traversal Vulnerability.zip.
Import Commvault Command Center Path Traversal Vulnerability_event-handler.json or fgt_Commvault Command Center Path Traversal Vulnerability_event-handler.json event handler:

Choose an ADOM (if ADOMs are enabled). The ADOM may have the Fabric or FortiGate type.
Choose the FortiSOC module.
Select Event Handler List.
Select the Import option under More.
Select the appropriate event handler depending on the ADOM type.

event handler.png

Result:

The event handler is enabled and will be triggered if the appropriate logs are received following the import of the event handler.

Edit the event handler to customize the notification section.

Import Commvault Command Center Path Traversal Vulnerability_report.dat or fgt_Commvault Command Center Path Traversal Vulnerability.dat to Reports:

Choose an ADOM (if ADOMs are enabled). The ADOM may have the Fabric or FortiGate type.
Choose the Report module.
Select the Import option under 'More'.
Select the appropriate file for the ADOM type to add the report to the ADOM.