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CVE-2013-1629

20
FAUCET Score

CVE-2013-1629 describes a critical vulnerability in pip versions prior to 1.3, where the package manager uses unencrypted HTTP for PyPI package retrieval and lacks integrity checks. This allows man-in-the-middle attackers to inject malicious code during "pip install" operations, leading to arbitrary code execution. With a CVSS score of 6.8 (medium severity), the vulnerability is network-exploitable with medium complexity, potentially impacting confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, its high FAUCET Risk Score of 95/100 indicates a significant potential risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3CPE matchmatch criteria
cpe:2.3:a:pypa:pip:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.22%
Probability of exploitation in next 30 days
EPSS Percentile
92.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0622 is in the 92nd percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: pipFixed in: 1.3

Vendor Advisories (1)

pipGHSA-g3p5-fjj9-h8gjhigh

Improper Input Validation in pip

May 13, 2022

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / pypa/pip/issues/425
Third Party Advisory
github.com / pypa/pip/pull/791/files
PatchThird Party Advisory
pip-installer.org / en/latest/installing.html
Vendor Advisory
pip-installer.org / en/latest/news.html
Release NotesVendor Advisory
reddit.com / r/Python/comments/17rfh7/warning_dont_use_pip_in_an_untrusted_network_a
ExploitThird Party Advisory