CVE-2025-20324: Splunk

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

In Splunk Enterprise versions below 9.4.2, 9.3.5, 9.2.7, and 9.1.10 and Splunk Cloud Platform versions below 9.3.2411.104, 9.3.2408.113, and 9.2.2406.119, a low-privileged user that does not hold the "admin" or "power" Splunk roles could create or overwrite [system source type](https://help.splunk.com/en/splunk-enterprise/get-started/get-data-in/9.2/configure-source-types/create-source-types) configurations by sending a specially-crafted payload to the `/servicesNS/nobody/search/admin/sourcetypes/` REST endpoint on the Splunk management port.

Affected products

• Splunk Splunk: from 9.1.0, before 9.1.10 (fixed in 9.1.10); from 9.2.0, before 9.2.7 (fixed in 9.2.7); from 9.3.0, before 9.3.5 (fixed in 9.3.5); from 9.4.0, before 9.4.2 (fixed in 9.4.2)
• Splunk Splunk Cloud Platform: from 9.2.2406, before 9.2.2406.119 (fixed in 9.2.2406.119); from 9.3.2408, before 9.3.2408.113 (fixed in 9.3.2408.113); from 9.3.2411, before 9.3.2411.104 (fixed in 9.3.2411.104)

Published 2025-07-07. Last modified 2026-06-17.