CVE-2013-1633

mediumpriority · track · 28OT risk · elevatedEPSS 0.020 · 80 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.97% (80th) EPSS

CVSS 6.8 · medium

Is it mine?

13 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–8.3

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

v3.18.3highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · OSV

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-319US

affected products (13)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
python setuptools≤ 0.7b4nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.40nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.41nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.42nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.43nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.44nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.45nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.46nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.47nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.48nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
python setuptools= 0.6.49nvdUScpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*
PyPI setuptools< 0.7osvUSpkg:pypi/setuptools

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-27x4-j476-jp5fSetuptools vulnerable to Man-in-the-middle attacks2022-05-17ghsa · osvUS
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.
PYSEC-2013-222013-08-06vendor · osvUS
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.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2013-08-06modified 2026-06-16

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+25194 more

references (6)

External citations — patches, advisories, analysis.

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