What is CVE-2025-20383?

CVE-2025-20383 is a medium-severity vulnerability in Splunk Cloud Platform, classified under Information Disclosure. CVSS score: 4.3/10. Published 2025-12-03.

How severe is CVE-2025-20383?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Splunk Cloud Platform

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…

Vulnerability class: Information Disclosure

EPSS: 0.000 (11.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Splunk Cloud Platform — versions 10.1.2507, 10.0.2503, 9.3.2411
Splunk Enterprise — versions 10.0, 9.4, 9.3
Splunk Secure Gateway — versions 3.9, 3.8, 3.7

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2025-20383?: CVE-2025-20383 is a medium-severity vulnerability in Splunk Cloud Platform, classified under Information Disclosure. CVSS score: 4.3/10. Published 2025-12-03.
How severe is CVE-2025-20383?: Medium severity. CVSS v3 base score is 4.3 out of 10.