Cyber Resilience

CVE-2025-20300

Medium

Published: 07 July 2025

Published
07 July 2025
Modified
21 July 2025
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS Score 0.0018 39.0th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-20300 is a medium-severity Incorrect Authorization (CWE-863) vulnerability in Splunk Splunk. Its CVSS base score is 4.3 (Medium).

Operationally, ranked at the 39.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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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).

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

splunk
splunk
9.1.0 — 9.1.9 · 9.2.0 — 9.2.6 · 9.3.0 — 9.3.5
splunk
splunk cloud platform
9.2.2406 — 9.2.2406.118 · 9.3.2408 — 9.3.2408.112 · 9.3.2411 — 9.3.2411.103

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-863

Periodic review and update of procedures reduces incorrect authorization implementations over time.

addresses: CWE-863

Supervision identifies cases where authorization logic incorrectly permits unauthorized actions.

addresses: CWE-863

Defining permitted attribute values and auditing modifications reduces the chance of incorrect authorization outcomes due to tampered or missing labels.

addresses: CWE-863

The authorization process and usage restrictions help prevent incorrect authorization for remote access types.

addresses: CWE-863

Establishing configuration and connection requirements helps ensure correct rather than incorrect authorization for wireless access.

addresses: CWE-863

Establishing connection authorization processes for mobile devices helps ensure authorization decisions are correctly implemented rather than incorrect.

addresses: CWE-863

Monitoring account use, notifying on changes, and reviewing accounts for compliance corrects incorrect authorization assignments.

addresses: CWE-863

Ensures authorization decisions for external system use are correctly implemented and enforced.

References