easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to ex
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to execute arbitrary code via a crafted response to the default use of the product.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | setuptools | < 0.7 | 0.7 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2013-1633
- https://github.com/pypa/advisory-database/tree/main/vulns/setuptools/PYSEC-2013-22.yaml
- https://github.com/pypa/setuptools
- https://pypi.python.org/pypi/setuptools/0.9.8#changes
- http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a
- http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a/
- https://github.com/advisories/GHSA-27x4-j476-jp5f
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H- Weakness (CWE)
CWE-319- Platform
- Python (PyPI)
- Package
setuptools- Disclosed
- 06.08.2013
- Updated
- 11.10.2026 12:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-27x4-j476-jp5f - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2013-22 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: setuptools
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 5
- First → latest
- 08.2013 07.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 4
- Medium 1
Disclosures per year
- 2017: 0
- 2018: 0
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 1
- 2023: 0
- 2024: 1
- 2025: 1
- 2026: 1
earlier: 1
-
easy_install in setuptools before 0.7 uses HTTP to retrieve packages from the PyPI repository, and does not perform integrity checks on package contents, which allows man-in-the-middle attackers to ex this entry
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