CVE-2025-20383: splunk Information Disclosure — Fix

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.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
splunk	splunk	9.2.0 — 9.2.10
splunk	splunk	9.3.0 — 9.3.8
splunk	splunk	9.4.0 — 9.4.6
splunk	splunk	10.0.0 — 10.0.2
splunk	splunk_cloud_platform	9.3.2411 — 9.3.2411.120
splunk	splunk_cloud_platform	10.0.2503 — 10.0.2503.8
splunk	splunk_cloud_platform	10.1.2507 — 10.1.2507.6
splunk	splunk_secure_gateway	3.7.0 — 3.7.28
splunk	splunk_secure_gateway	3.8.0 — 3.8.58
splunk	splunk_secure_gateway	3.9.0 — 3.9.10

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2025-20383? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-20383? +

CVE-2025-20383 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-20383? +

CVE-2025-20383 affects products from splunk, specifically: splunk, splunk_cloud_platform, splunk_secure_gateway. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-20383? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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