CVE-2025-20300 json
Improper Access Control Lets Low-Privilege Users Suppress Read-Only Alerts in Splunk Enterprise
published 2025-07-07 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-20304
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
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).
Patch / fix
- Splunk Splunk Enterprise 9.1.9, 9.2.6, 9.3.5, 9.4.2
- Splunk Splunk Cloud Platform 9.2.2406.119, 9.3.2408.112, 9.3.2411.103
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Affected products
- Splunk Splunk Enterprise
- Splunk Splunk Cloud Platform
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
advisory.splunk.com
/advisories/SVD-2025-0708
vendor-advisory
Sources
- CVE List CVE-2025-20300
- NVD CVE-2025-20300
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.