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

> CVE-2025-20300: Improper Access Control Lets Low-Privilege Users Suppress Read-Only Alerts in Splunk Enterprise. CVSS 4.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-20300
Last updated: 2026-06-17T08:41:22Z

- Published: 2025-07-07 17:47 UTC · Updated: 2026-06-17 08:41 UTC · Assigner: cisco
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- EPSS: 0.30%, 22th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-863

## 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 vendors and products

- Splunk: Splunk Cloud Platform
- Splunk: Splunk Enterprise

## Tracked companies

- [Splunk](https://rewindex.com/company/splunk.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-20300)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-20300)
- [https://advisory.splunk.com/advisories/SVD-2025-0708](https://advisory.splunk.com/advisories/SVD-2025-0708)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-20300 · Markdown: https://rewindex.com/cve/CVE-2025-20300.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-20300 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:17:08.447Z