CVE-2013-5123

Published Nov 5, 2019
·
Updated

The mirroring support (-M, --use-mirrors) in Python Pip before 1.5 uses insecure DNS querying and authenticity checks which allows attackers to perform man-in-the-middle attacks.

Affected Software

12 affected componentsFixes available
pip/pip<1.5
1.5
pypa pip<1.5
virtualenv virtualenv=12.0.7
Fedoraproject Fedora=20
Fedoraproject Fedora=21
redhat Openshift=1.0
redhat Openshift=2.0
redhat Software Collections
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
debian/python-pip
20.3.4-4+deb11u120.3.4-4+deb11u223.0.1+dfsg-125.1.1+dfsg-126.0.1+dfsg-1

Event History

Nov 5, 2019
CVE Published
via MITRE·09:16 PM
Data Sourced
via MITRE·09:16 PM
Description
May 24, 2022
Advisory Published
via GitHub·10:01 PM
Feb 18, 2026
Data Sourced
via Debian·05:15 PM
DescriptionAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2013-5123?

CVE-2013-5123 is a vulnerability that affects the mirroring support (-M, --use-mirrors) in Python Pip before version 1.5.

2

How does CVE-2013-5123 work?

CVE-2013-5123 relies on insecure DNS querying and authenticity checks, allowing attackers to perform man-in-the-middle attacks.

3

Which software is affected by CVE-2013-5123?

The software affected by CVE-2013-5123 includes Python Pip before version 1.5, Pypa Pip version up to 1.5, Virtualenv Virtualenv version 12.0.7, Fedoraproject Fedora versions 20 and 21, IBM Robotic Process Automation as a Service versions 1.0 and 2.0, Redhat Software Collections, and Debian Debian Linux versions 8.0, 9.0, and 10.0.

4

What is the severity of CVE-2013-5123?

The severity of CVE-2013-5123 is medium with a score of 5.9.

5

How can CVE-2013-5123 be fixed?

To fix CVE-2013-5123, update Python Pip to version 1.5 or later, or apply the recommended patches for the affected software.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203