CVE-2025-20321

Description

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 change the membership state in a Splunk Search Head Cluster (SHC) through a Cross-Site Request Forgery (CSRF), potentially leading to the removal of the captain or a member of the SHC.<br><br>The vulnerability requires the attacker to phish the administrator-level victim by tricking them into initiating a request within their browser. The attacker should not be able to exploit the vulnerability at will.

Reserved 2024-10-10 | Published 2025-07-07 | Updated 2025-07-07 | Assigner cisco

Problem types

The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

Product status

9.4 before 9.4.3
affected

9.3 before 9.3.5
affected

9.2 before 9.2.7
affected

9.1 before 9.1.10
affected

9.3.2411 before 9.3.2411.104
affected

9.3.2408 before 9.3.2408.114
affected

9.2.2406 before 9.2.2406.119
affected

Credits

Anton (therceman)

References

advisory.splunk.com/advisories/SVD-2025-0704

cve.org (CVE-2025-20321)

nvd.nist.gov (CVE-2025-20321)

Download JSON