CVE-2025-20389 - CVE House
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Status published Medium CVE-2025-20389

Improper Input Validation in "label" column field in Splunk Secure Gateway App

Vulnerability Description

In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and versions below 3.9.10, 3.8.58 and 3.7.28 of the Splunk Secure Gateway app on Splunk Cloud Platform, a low-privileged user that does not hold the "admin" or "power" Splunk roles could craft a malicious payload through the `label` column field after adding a new device in the Splunk Secure Gateway app. This could potentially lead to a client-side denial of service (DoS).

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Splunk Enterprise, Splunk Cloud Platform, Splunk Secure Gateway
Vulnerable Versions:
10.0, 9.4, 9.3, 9.2, 10.1.2507, 10.0.2503, 9.3.2411, 3.9, 3.8, 3.7

Timeline

Official Publish: December 3rd, 2025
Last Modified: December 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)