Incorrect permission assignment for critical resource in Splunk Enterprise - CVE-2025-20386
Published: December 4, 2025
Vulnerability identifier: #VU119119
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-20386
CWE-ID: CWE-732
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Splunk Inc.
Affected software:
Splunk Enterprise
Splunk Enterprise
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due incorrect permissions assignment for Windows Installation directory (by default, C:\\Program Files\\Splunk) during new installation or upgrade. A local user on the machine can access the directory and all its contents.
How to mitigate CVE-2025-20386
Install updates from vendor's website.