Vulnerability in Splunk
CVE-2025-20324
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.
EPSS: 0.002 (13.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Splunk
- Splunk Splunk_cloud_platform
- Splunk Enterprise — versions 9.4, 9.3, 9.2
- Splunk Enterprise Cloud — versions 9.3.2411, 9.3.2408, 9.2.2406
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20324?
- CVE-2025-20324 is a medium-severity vulnerability in Splunk, classified under Improper Access Control. CVSS score: 5.4/10. Published 2025-07-07.
- How severe is CVE-2025-20324?
- Medium severity. CVSS v3 base score is 5.4 out of 10.