Vulnerability · Published Jul 7, 2025 · Assigned by cisco

CVE-2025-20300Improper Access Control Lets Low-Privilege Users Suppress Read-Only Alerts in Splunk Enterprise

Medium 4.3

In plain English

A medium-severity incorrect authorization in Splunk Cloud Platform from Splunk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 77.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In Splunk Enterprise versions below 9.4.2, 9.3.5, 9.2.6, and 9.1.9 and Splunk Cloud Platform versions below 9.3.2411.103, 9.3.2408.112, and 9.2.2406.119, a low-privileged user that does not hold the "admin" or "power" Splunk roles, and has read-only access to a specific alert, could suppress that alert when it triggers. See [Define alert suppression groups to throttle sets of similar alerts](https://help.splunk.com/en/splunk-enterprise/alert-and-respond/alerting-manual/9.4/manage-alert-trigger-conditions-and-throttling/define-alert-suppression-groups-to-throttle-sets-of-similar-alerts).

Affected products (as reported)

VendorProductVersions
Splunk Splunk Enterprise 9.4 – before 9.4.29.3 – before 9.3.59.2 – before 9.2.69.1 – before 9.1.9
Splunk Splunk Cloud Platform 9.3.2411 – before 9.3.2411.1039.3.2408 – before 9.3.2408.1129.2.2406 – before 9.2.2406.119

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References