CVE-2025-20229: Remote Code Execution through file upload to “$SPLUNK_HOME/var/run/splunk/apptemp“ directory in Splunk Enterprise
Description
In Splunk Enterprise versions below 9.3.3, 9.2.5, and 9.1.8, and Splunk Cloud Platform versions below 9.3.2408.104, 9.2.2406.108, 9.2.2403.114, and 9.1.2312.208, a low-privileged user that does not hold the "admin" or "power" Splunk roles could perform a Remote Code Execution (RCE) through a file upload to the "$SPLUNK_HOME/var/run/splunk/apptemp" directory due to missing authorization checks.
Classification
CVE ID: CVE-2025-20229
CVSS Base Severity: HIGH
CVSS Base Score: 8.0
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Problem Types
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Affected Products
Vendor: Splunk, Splunk
Product: Splunk Enterprise, Splunk Cloud Platform
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.07% (probability of being exploited)
EPSS Percentile: 23.29% (scored less or equal to compared to others)
EPSS Date: 2025-04-24 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-20229https://advisory.splunk.com/advisories/SVD-2025-0301