🛡️ CVE-2025-20321
🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-352 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

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.

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE CWE-352
Public Exploit ✅ No
Source NVD
Published 2025-07-07
Updated 2026-06-02
Modified 2025-07-21
Fix URL N/A

Affected Packages

Software From version Fixed in
splunk 9.4.0 9.4.3
splunk-cloud-platform 9.3.2411 9.3.2411.104

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