CVE-2025-20233— Incorrect permissions set by the “chmod“ and “makedirs“ Python functions in Splunk App for Lookup File Editing
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I. Basic Information for CVE-2025-20233
Vulnerability Information
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Vulnerability Title
Incorrect permissions set by the “chmod“ and “makedirs“ Python functions in Splunk App for Lookup File Editing
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Splunk App for Lookup File Editing versions below 4.0.5, a script in the app used the `chmod` and `makedirs` Python functions in a way that resulted in overly broad read and execute permissions. This could lead to improper access control for a low-privileged user.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键资源的不正确权限授予
Source: NVD (National Vulnerability Database)
Vulnerability Title
Splunk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk是美国Splunk公司的一套数据收集分析软件。用于收集、索引和分析及其所产生的数据，包括所有IT系统和基础结构（物理、虚拟机和云）生成的数据。 Splunk 4.0.5之前版本存在安全漏洞，该漏洞源于脚本使用了chmod和makedirs Python函数，导致权限设置过宽，可能引发访问控制不当。
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 App for Lookup File Editing | 4.0 ~ 4.0.5 | - |
II. Public POCs for CVE-2025-20233
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Splunk · 2025-03-26 · 8 CVEs total
| CVE-2025-20229 | 8.0 HIGH | Remote Code Execution through file upload to “$SPLUNK_HOME/var/run/splunk/apptemp“ directo |
| CVE-2025-20231 | 7.1 HIGH | Sensitive Information Disclosure in Splunk Secure Gateway App |
| CVE-2025-20228 | 6.5 MEDIUM | Maintenance mode state change of App Key Value Store (KVStore) through a Cross-Site Reques |
| CVE-2025-20226 | 5.7 MEDIUM | Risky command safeguards bypass in “/services/streams/search“ endpoint through “q“ paramet |
| CVE-2025-20232 | 5.7 MEDIUM | Risky Command Safeguards Bypass in “/app/search/search“ endpoint through “s“ parameter in |
| CVE-2025-20227 | 4.3 MEDIUM | Information Disclosure through external content warning modal dialog box bypass in Splunk |
| CVE-2025-20230 | 4.3 MEDIUM | Missing Access Control and Incorrect Ownership of Data in App Key Value Store (KVStore) co |
IV. Related Vulnerabilities
Same vendor: Splunk
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Improper Access Control in Data Model Acceleration in Splunk - CVE-2026-20204
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Improper Input Validation during User Account Creation in Sp - CVE-2026-20163
Remote Command Execution (RCE) through the '/splunkd/__uploa
Same weakness: CWE-732
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WatchGuard Agent on Windows Privilege Escalation Vulnerabili - CVE-2026-41686
Claude SDK for TypeScript has Insecure Default File Permissi - CVE-2026-6499
ILM Informatique OpenConcerto 安全漏洞 - CVE-2026-41366
OpenClaw < 2026.3.31 - Arbitrary Host File Read via appendLo - CVE-2026-35367
uutils coreutils nohup Information Disclosure via Insecure D
V. Comments for CVE-2025-20233
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