CVE-2025-20383 - CVE House
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Status published Medium CVE-2025-20383

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Anton (therceman)

References

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Affected Vendor

Affected Software

Splunk Enterprise, Splunk Cloud Platform, Splunk Secure Gateway
Vulnerable Versions:
10.0, 9.4, 9.3, 9.2, 10.1.2507, 10.0.2503, 9.3.2411, 3.9, 3.8, 3.7

Timeline

Official Publish: December 3rd, 2025
Last Modified: December 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-200

MITRE ATT&CK TTPs

T1213 Data from Information Repositories
Collection
T1005 Data from Local System
Collection
T1552 Unsecured Credentials
Credential Access
T1041 Exfiltration Over C2 Channel
Exfiltration