CVE-2025-20389
Medium
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).
SeverityMedium
CVSS4.3
Exploit probability—
ProductSplunk
PublishedDec 3, 2025
First seenDec 3, 2025
Weakness typeCWE-20Improper input validation
How to fix
Update
- splunk splunk9.2.10, 9.3.8, 9.4.6, 10.0.2 or later
- splunk splunk_cloud_platform9.3.2411.120, 10.0.2503.8, 10.1.2507.6 or later
- splunk splunk_secure_gateway3.7.28, 3.8.58, 3.9.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| splunk splunk | 9.2.0 ≤ v < 9.2.10, 9.3.0 ≤ v < 9.3.8, 9.4.0 ≤ v < 9.4.6, 10.0.0 ≤ v < 10.0.2 | 9.2.10, 9.3.8, 9.4.6, 10.0.2 |
| splunk splunk_cloud_platform | 9.3.2411 ≤ v < 9.3.2411.120, 10.0.2503 ≤ v < 10.0.2503.8, 10.1.2507 ≤ v < 10.1.2507.6 | 9.3.2411.120, 10.0.2503.8, 10.1.2507.6 |
| splunk splunk_secure_gateway | 3.7.0 ≤ v < 3.7.28, 3.8.0 ≤ v < 3.8.58, 3.9.0 ≤ v < 3.9.10 | 3.7.28, 3.8.58, 3.9.10 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.