CVE-2025-20227: 
Splunk Enterprise vulnerability analysis and mitigation

A vulnerability was identified in Splunk Enterprise and Splunk Cloud Platform affecting their Dashboard Studio feature. The vulnerability (CVE-2025-20227) was disclosed on March 26, 2025, allowing low-privileged users without 'admin' or 'power' roles to bypass the external content warning modal dialog box in Dashboard Studio dashboards (Splunk Advisory).

The vulnerability has been assigned a CVSS v3.1 base score of 4.3 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. It is classified under CWE-20 (Improper Input Validation). The issue affects multiple versions of Splunk Enterprise (below 9.4.1, 9.3.3, 9.2.5, and 9.1.8) and Splunk Cloud Platform (below versions 9.3.2408.107, 9.2.2406.112, 9.2.2403.115, 9.1.2312.208, and 9.1.2308.214) (NVD).

The vulnerability could lead to information disclosure when exploited. The attack requires network access and low-level user privileges to execute (Splunk Advisory).

The primary mitigation is to upgrade Splunk Enterprise to versions 9.1.8, 9.2.5, 9.3.3, 9.4.1, or higher. For Splunk Cloud Platform, Splunk is actively monitoring and patching affected instances. As a workaround, administrators can disable Splunk Web, though this may impact functionality (Splunk Advisory).