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CVE-2025-20373— Sensitive Information Disclosure in “_internal“ index through Splunk Add-On for Palo Alto Networks

Quick assessment

Affected
Splunk Splunk Add-on for Palo Alto Networks
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 Add-on for Palo Alto Networks是Splunk公司的一个插件。 Splunk Add-on for Palo Alto Networks 2.0.2之前版本存在日志信息泄露漏洞，该漏洞源于以明文形式暴露客户端密钥。

CVSS 2.7 · Low EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-20373

Vulnerability Information
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Vulnerability Title
Sensitive Information Disclosure in “_internal“ index through Splunk Add-On for Palo Alto Networks
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Add-on for Palo Alto Networks versions below 2.0.2, the add-on exposes client secrets in plain text in the _internal index during the addition of new “Data Security Accounts“. The vulnerability would require either local access to the log files or administrative access to internal indexes, which by default only the admin role receives. Review roles and capabilities on your instance and restrict internal index access to administrator-level roles. See [Define roles on the Splunk platform with capabilities](https://docs.splunk.com/Documentation/Splunk/latest/Security/Rolesandcapabilities) in the Splunk documentation for more information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk Add-on for Palo Alto Networks 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk Add-on for Palo Alto Networks是Splunk公司的一个插件。 Splunk Add-on for Palo Alto Networks 2.0.2之前版本存在日志信息泄露漏洞，该漏洞源于以明文形式暴露客户端密钥。
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 Add-on for Palo Alto Networks 2.0 ~ 2.0.2 -

II. Public POCs for CVE-2025-20373

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III. Intelligence Information for CVE-2025-20373

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Vendor Advisories for CVE-2025-20373 (1)

IV. Related Vulnerabilities

Same vendor: Splunk
Same weakness: CWE-532

V. Comments for CVE-2025-20373

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