CVE-2025-47273

Name: CVE-2025-47273
Creator: NVD / NIST
Published: 2025-05-17T16:15:19.11+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.7/10EPSS 1.43%

Last modified Jun 17, 2026

CVE-2025-47273 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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. EPSS estimates a 1.43% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.7/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

1.43%

69.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Python	Setuptools	< 78.1.1
Debian	Debian Linux	11.0

References

https://github.com/pypa/setuptools/blob/6ead555c5fb29bc57fe6105b1bffc163f56fd558/setuptools/package_index.py#L810C1-L825C88Product
https://github.com/pypa/setuptools/commit/250a6d17978f9f6ac3ac887091f2d32886fbbb0bPatch
https://github.com/pypa/setuptools/issues/4946Exploit, Issue Tracking
https://github.com/pypa/setuptools/security/advisories/GHSA-5rjg-fvgr-3xxfExploit, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00035.htmlMailing List
https://github.com/pypa/setuptools/issues/4946Exploit, Issue Tracking

Timeline

Published: May 17, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-47273?

How severe is CVE-2025-47273?

CVE-2025-47273 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.

How do I fix CVE-2025-47273?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-47273?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST