XXE in Splunk
CVE-2025-20369
In Splunk Enterprise versions below 9.4.4, 9.3.6, and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.108, 9.3.2408.118 and 9.2.2406.123, a low privilege user that does not hold the "admin" or "power" Splunk roles could perform an extensible markup language (XML) external entity (XXE) injection through the dashboard tab label field. The XXE injection has the potential to cause denial of service (DoS) attacks.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (20.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Splunk
- Splunk Cloud Platform — versions 9.3.2411, 9.3.2408, 9.2.2406
- Splunk Cloud Platform
- Splunk Enterprise — versions 10.0, 9.4, 9.3
Weakness classification (CWE)
References
- advisory.splunk.com/advisories/SVD-2025-1004 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20369?
- CVE-2025-20369 is a medium-severity vulnerability in Splunk, classified under Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion). CVSS score: 4.6/10. Published 2025-10-01.
- How severe is CVE-2025-20369?
- Medium severity. CVSS v3 base score is 4.6 out of 10.