UpHeron
All vulnerabilities

Servers and applications

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 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…

Severity
Medium 4.3
Published
7 Jul 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.1.10, 9.2.7, 9.3.5, 9.4.3
Sources
NVD

Affected software

SoftwareAffected versions
Splunk EnterpriseServers and applications · cpe:a:splunk:splunk
  • From 9.1.0 before 9.1.10
  • From 9.2.0 before 9.2.7
  • From 9.3.0 before 9.3.5
  • From 9.4.0 before 9.4.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-20321
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-20321