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

Quick assessment

Affected
Splunk Splunk Enterprise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Splunk Cloud Platform和Splunk Enterprise都是美国Splunk公司的产品。Splunk Cloud Platform是一个强大的数据收集、处理和分析服务。Splunk Enterprise是一套数据收集分析软件。 Splunk Enterprise和Splunk Cloud Platform存在安全漏洞，该漏洞源于低权限用户可抑制特定警报。以下产品及版本受到影响：Splunk Enterprise 9.4.2、9.3.5、9.2.6和9.1.9之前版本和Splunk C

CVSS 4.3 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1565.001 · Stored Data Manipulation
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I. Basic Information for CVE-2025-20300

Vulnerability Information
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Vulnerability Title
Improper Access Control Lets Low-Privilege Users Suppress Read-Only Alerts in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability 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).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk Cloud Platform和Splunk Enterprise 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk Cloud Platform和Splunk Enterprise都是美国Splunk公司的产品。Splunk Cloud Platform是一个强大的数据收集、处理和分析服务。Splunk Enterprise是一套数据收集分析软件。 Splunk Enterprise和Splunk Cloud Platform存在安全漏洞，该漏洞源于低权限用户可抑制特定警报。以下产品及版本受到影响：Splunk Enterprise 9.4.2、9.3.5、9.2.6和9.1.9之前版本和Splunk C
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Splunk Splunk Enterprise 9.4 ~ 9.4.2 -
Splunk Splunk Cloud Platform 9.3.2411 ~ 9.3.2411.103 -

II. Public POCs for CVE-2025-20300

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III. Intelligence Information for CVE-2025-20300

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Same Patch Batch · Splunk · 2025-07-07 · 8 CVEs total

CVE-2025-20319 6.8 MEDIUM Remote Command Execution through Scripted Input Files in Splunk Enterprise
CVE-2025-20321 6.5 MEDIUM Membership State Change in Splunk Search Head Cluster through a Cross-Site Request Forgery
CVE-2025-20320 6.3 MEDIUM Denial of Service (DoS) through “User Interface - Views“ configuration page in Splunk Ente
CVE-2025-20324 5.4 MEDIUM Improper Access Control in System Source Types Configuration in Splunk Enterprise
CVE-2025-20322 4.3 MEDIUM Denial of Service (DoS) in Search Head Cluster through Cross-Site Request Forgery (CSRF) i
CVE-2025-20323 4.3 MEDIUM Missing Access Control of Saved Searches in the Splunk Archiver app
CVE-2025-20325 3.1 LOW Sensitive Information Disclosure in the SHCConfig logging channel in Clustered Deployments

IV. Related Vulnerabilities

Same product: Splunk Enterprise
Same vendor: Splunk
Same weakness: CWE-863

V. Comments for CVE-2025-20300

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