CVE-2025-20387

| EUVD-2025-200997 HIGH
2025-12-03 [email protected]
8.0
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 15, 2026 - 16:14 vuln.today
EUVD ID Assigned
Mar 15, 2026 - 16:14 euvd
EUVD-2025-200997
CVE Published
Dec 03, 2025 - 17:15 nvd
HIGH 8.0

Tags

Microsoft Information Disclosure Splunk Windows

Description

In Splunk Universal Forwarder 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 Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.

Analysis

In Splunk Universal Forwarder 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 Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.

Technical Context

This vulnerability is classified as Incorrect Permission Assignment for Critical Resource (CWE-732).

Affected Products

Affected products: Splunk Splunk

Remediation

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +40
POC: 0

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CVE-2025-20387 vulnerability details – vuln.today
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