CVE-2025-20321: Membership State Change in Splunk Search Head Cluster through a Cross-Site Request Forgery (CSRF) in Splunk Enterprise
Splunk · Splunk Enterprise
Vendor fix available · Affected: Splunk Enterprise · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 9% of scored CVEs
DescriptionCVE.org
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.
Affected products2
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Splunk · Splunk Enterprisefrom 9.4 before 9.4.3; from 9.3 before 9.3.5; from 9.2 before 9.2.7; from 9.1 before 9.1.10
- Splunk · Splunk Enterprise Cloudfrom 9.3.2411 before 9.3.2411.104; from 9.3.2408 before 9.3.2408.114; from 9.2.2406 before 9.2.2406.119
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Cross-Site Request Forgery
- Vendor
- Splunk
- Published
- July 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-20321 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.