What is CVE-2025-20321?

CVE-2025-20321 is a medium-severity vulnerability in Splunk, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2025-07-07.

How severe is CVE-2025-20321?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in Splunk

CVE-2025-20321

In Splunk Enterprise versions below 9.4.3, 9.3.5, 9.2.7 and 9.1.10, and Splunk Cloud Platform versions below 9.3.2411.104, 9.3.2408.114, and 9.2.2406.119, an unauthenticated attacker can send a specially-crafted SPL search that could chang…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.002 (6.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

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

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20321?: CVE-2025-20321 is a medium-severity vulnerability in Splunk, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2025-07-07.
How severe is CVE-2025-20321?: Medium severity. CVSS v3 base score is 6.5 out of 10.