CVE-2025-20370: In Splunk Enterprise versions below 10.0.1, 9.4.4, 9.3.6, and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.108, 9.3.2408.118 and 9.2.2406.123, a…

PriorityP426medium4.9CVSS 3.1

AVNACLPRHUINSUCNINAH

EPSS

0.53%

40.5th percentile

In Splunk Enterprise versions below 10.0.1, 9.4.4, 9.3.6, and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.108, 9.3.2408.118 and 9.2.2406.123, a user who holds a role that contains the high-privilege capability `change_authentication`, could send multiple LDAP bind requests to a specific internal endpoint, resulting in high server CPU usage, which could potentially lead to a denial of service (DoS) until the Splunk Enterprise instance is restarted. See https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.0/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities and https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.0/use-ldap-as-an-authentication-scheme/configure-ldap-with-splunk-web#cfe47e31_007f_460d_8b3d_8505ffc3f0dd__Configure_LDAP_with_Splunk_Web for more information.

Affected

14 ranges

Vendor	Product	Version range	Fixed in
splunk	splunk	—	—
splunk	splunk	>= 9.2.0 < 9.2.8	9.2.8
splunk	splunk	>= 9.3.0 < 9.3.6	9.3.6
splunk	splunk	>= 9.4.0 < 9.4.4	9.4.4
splunk	splunk_cloud_platform	>= 9.2.2406 < 9.2.2406.123	9.2.2406.123
splunk	splunk_cloud_platform	>= 9.3.2408 < 9.3.2408.118	9.3.2408.118
splunk	splunk_cloud_platform	>= 9.3.2411 < 9.3.2411.108	9.3.2411.108
splunk	splunk_enterprise	>= 10.0 < 10.0.1	10.0.1
splunk	splunk_enterprise	>= 9.2 < 9.2.8	9.2.8
splunk	splunk_enterprise	>= 9.3 < 9.3.6	9.3.6
splunk	splunk_enterprise	>= 9.4 < 9.4.4	9.4.4
splunk	splunk_enterprise_cloud	>= 9.2.2406 < 9.2.2406.123	9.2.2406.123
splunk	splunk_enterprise_cloud	>= 9.3.2408 < 9.3.2408.118	9.3.2408.118
splunk	splunk_enterprise_cloud	>= 9.3.2411 < 9.3.2411.108	9.3.2411.108

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