CVE-2025-20389

Published: Dec 3, 2025Modified: Jun 17, 2026

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: NVD

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).

Affected (10)

Products: Splunk: Splunk, Splunk Cloud Platform, Splunk Secure Gateway

Splunk

3 products

Splunk

Splunk Cloud Platform

Splunk Secure Gateway

Configuration A

10 vulnerable

Vulnerable Software	Affected Versions
Splunk Splunk	10.0.0 ≤ version < 10.0.2
Splunk Splunk	9.2.0 ≤ version < 9.2.10
Splunk Splunk	9.3.0 ≤ version < 9.3.8
Splunk Splunk	9.4.0 ≤ version < 9.4.6
Splunk Splunk Cloud Platform	10.0.2503 ≤ version < 10.0.2503.8
Splunk Splunk Cloud Platform	10.1.2507 ≤ version < 10.1.2507.6
Splunk Splunk Cloud Platform	9.3.2411 ≤ version < 9.3.2411.120
Splunk Splunk Secure Gateway	3.7.0 ≤ version < 3.7.28
Splunk Splunk Secure Gateway	3.8.0 ≤ version < 3.8.58
Splunk Splunk Secure Gateway	3.9.0 ≤ version < 3.9.10

Related CWEs

CWE-20

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (1)

https://advisory.splunk.com/advisories/SVD-2025-1208

Source: psirt@cisco.com

Vendor Advisory

Timeline

No history available yet.