CVE-2013-1629

Name: CVE-2013-1629
Creator: NVD / NIST
Published: 2013-08-06T02:52:10.177+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 6.17%

Last modified Jun 16, 2026

CVE-2013-1629 is a vulnerability of currently unknown severity. pip before 1.3 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 a "pip install" operation.. EPSS estimates a 6.17% chance of exploitation in the next 30 days.

Description

pip before 1.3 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 a "pip install" operation.

Metrics

EPSS Probability

6.17%

92.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Pypa	Pip	< 1.3

References

http://www.pip-installer.org/en/latest/installing.htmlVendor Advisory
http://www.pip-installer.org/en/latest/news.html#changelogRelease Notes, Vendor Advisory
http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a/Exploit, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=968059Issue Tracking, Third Party Advisory
https://github.com/pypa/pip/issues/425Third Party Advisory
https://github.com/pypa/pip/pull/791/filesPatch, Third Party Advisory
http://www.pip-installer.org/en/latest/installing.htmlVendor Advisory
http://www.pip-installer.org/en/latest/news.html#changelogRelease Notes, Vendor Advisory
http://www.reddit.com/r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a/Exploit, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=968059Issue Tracking, Third Party Advisory
https://github.com/pypa/pip/issues/425Third Party Advisory
https://github.com/pypa/pip/pull/791/filesPatch, Third Party Advisory

Timeline

Published: Aug 6, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-1629?

How severe is CVE-2013-1629?

Severity scoring for CVE-2013-1629 is pending analysis. The EPSS model estimates a 6.17% probability of exploitation in the next 30 days.

How do I fix CVE-2013-1629?

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-2013-1629?

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

Scan your code now

Source: NVD / NIST