CVE-2025-20324: splunk Improper Access Control
Vulnerability summary
CVE-2025-20324 is a medium (CVSS 5.4) Improper Access Control vulnerability in splunk. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19% of scored vulnerabilities.
Timeline
- 07-07-2025PublishedVulnerability first disclosed.
- 08-07-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
+0.04 pp
From 0.24% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Splunk4 products
- splunk≥ 9.1.0, < 9.1.10 | ≥ 9.2.0, < 9.2.7 | ≥ 9.3.0, < 9.3.5 | ≥ 9.4.0, < 9.4.2
- splunk_cloud_platform≥ 9.2.2406, < 9.2.2406.119 | ≥ 9.3.2408, < 9.3.2408.113 | ≥ 9.3.2411, < 9.3.2411.104
- splunk enterprise≥ 9.4, < 9.4.2 | ≥ 9.3, < 9.3.5 | ≥ 9.2, < 9.2.7 | ≥ 9.1, < 9.1.10
- splunk enterprise cloud≥ 9.3.2411, < 9.3.2411.104 | ≥ 9.3.2408, < 9.3.2408.113 | ≥ 9.2.2406, < 9.2.2406.119
1 vendor · 4 products
References
1 links- advisory.splunk.com/advisories/SVD-2025-0707Vendor Advisory