Resource exhaustion in Splunk Enterprise - CVE-2025-20370
Published: October 7, 2025
Vulnerability identifier: #VU116647
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-20370
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing LDAP bind requests. A remote privileged user with "change_authentication" capability can initiate multiple LDAP bind requests to a specific internal endpoint and perform a denial of service (DoS) attack.
Affected software
Splunk Enterprise
How to mitigate CVE-2025-20370
Install updates from vendor's website.
Splunk Enterprise - addressed in versions 9.2.8, 9.3.6, 9.4.4, 10.0.1