Is CVE-2013-1629 being actively exploited?

CVE-2013-1629 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-1629?

CVE-2013-1629 has a CVSS 2.0 base score of 6.8 (MEDIUM).

CVE-2013-1629

MEDIUM · CVSS 6.8EPSS 6.2%EU EUVD

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.

Key facts

CVSS score: 6.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-20
EPSS score: 6.2% (94th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-0025)
Published: August 6, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-0025 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

pypa / pip

References

http://www.pip-installer.org/en/latest/installing.html(Vendor Advisory)
http://www.pip-installer.org/en/latest/news.html#changelog(Release 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=968059(Issue Tracking, Third Party Advisory)
https://github.com/pypa/pip/issues/425(Third Party Advisory)
https://github.com/pypa/pip/pull/791/files(Patch, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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