What’s Vulnerable › Vulnerabilities
CVE-2025-20229: Remote Code Execution through file upload to “$SPLUNK_HOME/var/run/splunk/apptemp“ directory in Splunk Enterprise
- Severity: high (CVSS 8.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 16.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-03-26 · updated 2026-06-17
- Weakness: CWE-284
Description
In Splunk Enterprise versions below 9.3.3, 9.2.5, and 9.1.8, and Splunk Cloud Platform versions below 9.3.2408.104, 9.2.2406.108, 9.2.2403.114, and 9.1.2312.208, a low-privileged user that does not hold the "admin" or "power" Splunk roles could perform a Remote Code Execution (RCE) through a file upload to the "$SPLUNK_HOME/var/run/splunk/apptemp" directory due to missing authorization checks.
Affected products
- Splunk Enterprise: from 9.1.0 before 9.1.8; from 9.2.0 before 9.2.5; from 9.3.0 before 9.3.3; 9.4.0 — fixed in 9.1.8, 9.2.5, 9.3.3
- Splunk Cloud Platform: from 9.1.2312 before 9.1.2312.208; from 9.2.2403 before 9.2.2403.114; from 9.2.2406.100 before 9.2.2406.108; from 9.3.2408.100 before 9.3.2408.104 — fixed in 9.1.2312.208, 9.2.2403.114, 9.2.2406.108, 9.3.2408.104
How to fix
Upgrade to a fixed version: Splunk Enterprise 9.1.8, 9.2.5, 9.3.3; Splunk Cloud Platform 9.1.2312.208, 9.2.2403.114, 9.2.2406.108, 9.3.2408.104. Check the vendor advisory for mitigations.
References
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