What’s Vulnerable › Vulnerabilities

CVE-2025-20383: Improper access control through push notifications for reports and alerts in Splunk Secure Gateway app

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-03 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• Splunk Enterprise: from 9.2.0 before 9.2.10; from 9.3.0 before 9.3.8; from 9.4.0 before 9.4.6; from 10.0.0 before 10.0.2 — fixed in 10.0.2, 9.2.10, 9.3.8, 9.4.6
• Splunk Cloud Platform: from 9.3.2411 before 9.3.2411.120; from 10.0.2503 before 10.0.2503.8; from 10.1.2507 before 10.1.2507.6 — fixed in 10.0.2503.8, 10.1.2507.6, 9.3.2411.120
• Splunk Secure Gateway: from 3.7.0 before 3.7.28; from 3.8.0 before 3.8.58; from 3.9.0 before 3.9.10 — fixed in 3.7.28, 3.8.58, 3.9.10

How to fix

Upgrade to a fixed version: Splunk Enterprise 10.0.2, 9.2.10, 9.3.8, 9.4.6; Splunk Cloud Platform 10.0.2503.8, 10.1.2507.6, 9.3.2411.120; Splunk Secure Gateway 3.7.28, 3.8.58, 3.9.10. Check the vendor advisory for mitigations.

References

• https://advisory.splunk.com/advisories/SVD-2025-1202

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