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CVE-2025-20384— Unauthenticated Log Injection in Splunk Enterprise

CVSS 5.3 · Medium EPSS 0.08% · P24
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I. Basic Information for CVE-2025-20384

Vulnerability Information
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Vulnerability Title
Unauthenticated Log Injection in Splunk Enterprise
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Splunk Enterprise versions below 10.0.1, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.4, 10.0.2503.6, and 9.3.2411.117.125, an unauthenticated attacker can inject American National Standards Institute (ANSI) escape codes into Splunk log files due to improper validation at the /en-US/static/ web endpoint. This may allow them to poison, forge, or obfuscate sensitive log data through specially crafted HTTP requests, potentially impacting log integrity and detection capabilities.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
日志输出的转义处理不恰当
Source: NVD (National Vulnerability Database)
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 Cloud Platform和Splunk Enterprise存在安全漏洞，该漏洞源于/en-US/static/端点验证不足，可能导致ANSI转义代码注入和日志数据篡改。以下版本受到影响：Splunk Enterprise 10.0.1之前版
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

VendorProductAffected VersionsCPESubscribe
SplunkSplunk Enterprise 10.0 ~ 10.0.1 -
SplunkSplunk Cloud Platform 10.1.2507 ~ 10.1.2507.4 -

II. Public POCs for CVE-2025-20384

#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/Axselll/CVE-2025-20384POC Details
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III. Intelligence Information for CVE-2025-20384

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Same Patch Batch · Splunk · 2025-12-03 · 9 CVEs total

CVE-2025-203878.0 HIGHIncorrect permissions assignment on Splunk Universal Forwarder for Windows during new inst
CVE-2025-203868.0 HIGHIncorrect permission assignment on Splunk Enterprise for Windows during new installation o
CVE-2025-203815.4 MEDIUMSPL commands allowlist controls bypass in Splunk MCP Server app through "run_splunk_query"
CVE-2025-203894.3 MEDIUMImproper Input Validation in "label" column field in Splunk Secure Gateway App
CVE-2025-203834.3 MEDIUMImproper access control through push notifications for reports and alerts in Splunk Secure
CVE-2025-203823.5 LOWURL validation bypass through Views Dashboard in Splunk Enterprise
CVE-2025-203882.7 LOWBlind Server Side Request Forgery (SSRF) through Distributed Search Peers in Splunk Enterp
CVE-2025-203852.4 LOWStored Cross-Site scripting (XSS) through Anchor Tag "href" in Navigation Bar Collections

IV. Related Vulnerabilities

Same product: Splunk Enterprise
Same vendor: Splunk
Same weakness: CWE-117

V. Comments for CVE-2025-20384

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