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CVE-2025-47273— setuptools has a path traversal vulnerability in PackageIndex.download that leads to Arbitrary File Write

Quick assessment

Affected
pypa setuptools
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.

setuptools是PyPI开源的一个 Python 库。 setuptools 78.1.1之前版本存在路径遍历漏洞，该漏洞源于路径遍历，可能导致远程代码执行。

AI Predicted 8.6 Difficulty: Easy EPSS 1.59% · P76
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I. Basic Information for CVE-2025-47273

Vulnerability Information
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Vulnerability Title
setuptools has a path traversal vulnerability in PackageIndex.download that leads to Arbitrary File Write
Source: CVE Program / CVE List V5
Vulnerability Description
setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. A path traversal vulnerability in `PackageIndex` is present in setuptools prior to version 78.1.1. An attacker would be allowed to write files to arbitrary locations on the filesystem with the permissions of the process running the Python code, which could escalate to remote code execution depending on the context. Version 78.1.1 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
setuptools 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
setuptools是PyPI开源的一个 Python 库。 setuptools 78.1.1之前版本存在路径遍历漏洞，该漏洞源于路径遍历，可能导致远程代码执行。
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
pypa setuptools < 78.1.1 -

II. Public POCs for CVE-2025-47273

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III. Intelligence Information for CVE-2025-47273

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Patches & Fixes for CVE-2025-47273 (1)

Proof of Concept for CVE-2025-47273 (1)

IV. Related Vulnerabilities

Same product: setuptools
Same vendor: pypa
Same weakness: CWE-22