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Fencer Intel
medium 5.9

CVE-2013-5123 json

Improper Authentication in pip

published 7y ago modified 4mo ago also GHSA-c5h8-cq4v-cvfm , PYSEC-2019-160 , EUVD-2019-0103

cvss
5.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.0%
EPSS 8.0% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • pypi pip 1.5
  • pypa pip 1.5
  • python-pip Debian 14, Debian 13, Debian 12 1.4.1-1

debian advisories DEBIAN-CVE-2013-5123

  • python39-setuptools SLE Module for Basesystem 15 SP3 44.1.1-7.3.1
  • python39-pip SLE Module for Basesystem 15 SP3 20.2.4-7.5.1
  • python-pip SLE Module for Public Cloud 12, OpenStack Cloud 7 10.0.1-11.6.1
  • python-ply SLES for SAP 12 SP4, SLES 12 SP4, SLED 12 SP4 +2 more 3.4-3.3.1
  • python-jmespath SLE Module for Public Cloud 12 0.9.2-10.6.1
  • python-paramiko SLE Module for Public Cloud 12 1.18.5-2.15.1
  • python-jsonschema SLE Module for Public Cloud 12 2.2.0-3.3.1

suse advisories SUSE-FU-2021:2130-1SUSE-RU-2019:2505-1

  • python-pip openSUSE Tumbleweed 9.0.1-1.1
  • python2-pip openSUSE Tumbleweed 20.0.2-2.6

opensuse advisories openSUSE-SU-2024:10098-1openSUSE-SU-2024:11281-1

Is CVE-2013-5123 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-5123 updated cvss 4.3

python-pip: insecure software download with mirroring support

  • Red Hat OpenShift Enterprise 1 python-virtualenv Red Hat OpenShift Enterprise 2 python-virtualenv, python27-python-pip
    affected: no fix planned “Will not fix”
  • Red Hat Software Collections python27-python-virtualenv, python33-python-virtualenv
    affected: no fix available

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-24086)
  2. Published

Exploit prediction

7.99% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-24086 phlyLabs phlyMail Lite 4.03.04 - 'go' Open Redirect webapps, 2013-01-13

CVSS scores

assigned by version score vector
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
pypi pip
<1.5
1.5

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.