Improper access control through push notifications for reports and alerts in Splunk Secure Gateway app

Advisory ID: SVD-2025-1202

CVE ID: CVE-2025-20383

Published: 2025-12-03

Last Update: 2025-12-03

CVSSv3.1 Score: 4.3, Medium

CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE: CWE-200

Bug ID: VULN-45778

Description

In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and below 3.9.10, 3.8.58, and 3.7.28 of Splunk Secure Gateway app in Splunk Cloud Platform, a low-privileged user that does not hold the “admin” or “power” Splunk roles and subscribes to mobile push notifications could receive notifications that disclose the title and description of the report or alert even if they do not have access to view the report or alert.

Solution

Upgrade Splunk Enterprise to versions 10.0.2, 9.4.6, 9.3.8, 9.2.10, or higher.

Splunk is actively monitoring and patching Splunk Cloud Platform instances.

Product Status

ProductBase VersionComponentAffected VersionFix Version
Splunk Enterprise10.0Splunk Secure GatewayBelow 10.0.210.0.2
Splunk Enterprise9.4Splunk Secure GatewayBelow 9.4.69.4.6
Splunk Enterprise9.3Splunk Secure GatewayBelow 9.3.89.3.8
Splunk Enterprise9.2Splunk Secure GatewayBelow 9.2.109.2.10
Splunk Cloud Platform10.1.2507Splunk Secure GatewayBelow 10.1.2507.610.1.2507.6
Splunk Cloud Platform10.0.2503Splunk Secure GatewayBelow 10.0.2503.810.0.2503.8
Splunk Cloud Platform9.3.2411Splunk Secure GatewayBelow 9.3.2411.1209.3.2411.120
Splunk Secure Gateway3.9Below 3.9.103.9.10
Splunk Secure Gateway3.8Below 3.8.583.8.58
Splunk Secure Gateway3.7Below 3.7.283.7.28

Mitigations and Workarounds

Disable the Splunk Secure Gateway App. See Manage app and add-on objects.

Note: Splunk Mobile, Spacebridge, and Mission Control rely on functionality in the Splunk Secure Gateway app. If you do not use any of the apps, features, or functionality, as a potential mitigation, you may remove or disable the app.

Detections

None

Severity

Splunk rates this vulnerability a 4.3, Medium, with a CVSSv3.1 vector of CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

If you do not use and have never registered a device on the Splunk Secure Gateway app, there should be no impact and the severity would be informational.

Acknowledgments

Anton (therceman)