Vulnerability · Published Dec 3, 2025 · Assigned by cisco
CVE-2025-20389Improper Input Validation in "label" column field in Splunk Secure Gateway App
Medium 4.3
In plain English
A medium-severity improper input validation in Splunk Cloud Platform from Splunk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk Enterprise | 10.0 – before 10.0.29.4 – before 9.4.69.3 – before 9.3.89.2 – before 9.2.10 |
| Splunk | Splunk Cloud Platform | 10.1.2507 – before 10.1.2507.610.0.2503 – before 10.0.2503.89.3.2411 – before 9.3.2411.120 |
| Splunk | Splunk Secure Gateway | 3.9 – before 3.9.103.8 – before 3.8.583.7 – before 3.7.28 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L