Arbitrary file upload in Splunk Enterprise - CVE-2025-20229
Published: March 26, 2025
Vulnerability identifier: #VU106063
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-20229
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Splunk Inc.
Affected software:
Splunk Enterprise
Splunk Enterprise
Detailed vulnerability description
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote unprivileged user can upload a malicious file into the "$SPLUNK_HOME/var/run/splunk/apptemp" directory and execute it on the server.
How to mitigate CVE-2025-20229
Install updates from vendor's website.