Cross-site request forgery in Splunk Enterprise - CVE-2025-20321
Published: July 9, 2025
Vulnerability identifier: #VU112565
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-20321
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin in Splunk Search Head Cluster. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website and change membership state.
Affected software
Splunk Enterprise
How to mitigate CVE-2025-20321
Install update from vendor's website.
Splunk Enterprise - addressed in versions 9.1.10, 9.2.7, 9.3.5, 9.4.3