Medium severity · published Jul 7, 2025
CVE-2025-20300
Improper Access Control Lets Low-Privilege Users Suppress Read-Only Alerts in Splunk Enterprise
4.3
CVSS
0.3%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Splunk Cloud Platform · Splunk
9.3.2411 before 9.3.2411.103; 9.3.2408 before 9.3.2408.112; 9.2.2406 before 9.2.2406.119 · source: vendor, NVD
SE
Splunk Enterprise · Splunk
9.4 before 9.4.2; 9.3 before 9.3.5; 9.2 before 9.2.6; 9.1 before 9.1.9 · source: vendor
SP
Splunk · Splunk
9.1.0 before 9.1.9; 9.2.0 before 9.2.6; 9.3.0 before 9.3.5; 9.4.0 before 9.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-20300
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-20300
Vendor Advisory
https://advisory.splunk.com/advisories/SVD-2025-0708
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