CVE-2025-20387

Incorrect permissions assignment on Splunk Universal Forwarder for Windows during new installation or upgrade

Published: Dec 3, 2025Updated: Dec 5, 2025 Sources: CVE List NVD BDUCWE-732

8.0HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-732

Affected Products

Splunk

commercial·USaka splunk cloud platform, splunk enterprise

commercial·USaka splunk

Splunk Enterprise

Security Products

Splunk Universal Forwarder

Security Products

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Privilege Escalation

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References

https://advisory.splunk.com/advisories/SVD-2025-1206

advisory.splunk.com

https://advisory.splunk.com/advisories/SVD-2025-1206

advisory.splunk.com

https://www.cybersecurity-help.cz/vdb/SB2025120434

cybersecurity-help.cz

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