CVE-2025-20386

Incorrect permission assignment on Splunk Enterprise for Windows during new installation or upgrade

Published Dec 3, 2025 CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
Description
In Splunk Enterprise for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Splunk Enterprise for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Splunk splunk
CPEs cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Splunk splunk
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
Splunk
Splunk splunk Enterprise
Vendors & Products Microsoft
Microsoft windows
Splunk
Splunk splunk Enterprise
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In Splunk Enterprise for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Splunk Enterprise for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.
Title Incorrect permission assignment on Splunk Enterprise for Windows during new installation or upgrade
Weaknesses CWE-732
References
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
cisco
Published
Updated
Feb 26, 2026, 4:57 PM
Reserved
Oct 10, 2024, 7:15 PM
Status
Analyzed
Published
Dec 3, 2025, 5:15 PM
Modified
Jun 17, 2026, 8:41 AM