What is CVE-2025-20300?

CVE-2025-20300 is a medium-severity vulnerability in Splunk, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2025-07-07.

How severe is CVE-2025-20300?

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

Auth bypass in Splunk

CVE-2025-20300

In Splunk Enterprise versions below 9.4.2, 9.3.5, 9.2.6, and 9.1.9 and Splunk Cloud Platform versions below 9.3.2411.103, 9.3.2408.112, and 9.2.2406.119, a low-privileged user that does not hold the "admin" or "power" Splunk roles, and has…

Vulnerability class: Broken Access Control

EPSS: 0.003 (16.2th 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:N/I:L/A:N.

Affected products

Splunk
Splunk Cloud Platform — versions 9.3.2411, 9.3.2408, 9.2.2406
Splunk Splunk_cloud_platform
Splunk Enterprise — versions 9.4, 9.3, 9.2

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20300?: CVE-2025-20300 is a medium-severity vulnerability in Splunk, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2025-07-07.
How severe is CVE-2025-20300?: Medium severity. CVSS v3 base score is 4.3 out of 10.