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Fencer Intel
high 7.5

CVE-2013-2191 json

python-bugzilla has improper validation of X.509 certificates

published 2014-02-08 12 y ago modified 2026-06-16 4 mo ago also GHSA-2q4h-27m7-rj67 , PYSEC-2014-88 , EUVD-2014-0086

cvss
7.5
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

python-bugzilla before 0.9.0 does not validate X.509 certificates, which allows man-in-the-middle attackers to spoof Bugzilla servers via a crafted certificate.

Patch / fix

  • pypi python-bugzilla 0.9.0
  • python-bugzilla openSUSE Tumbleweed 3.3.0-1.4
  • python-bugzilla openSUSE Tumbleweed 3.2.0-2.3
  • python-bugzilla openSUSE Tumbleweed 1.2.2-1.1

opensuse advisories openSUSE-SU-2026:12002-1openSUSE-SU-2024:14135-1openSUSE-SU-2024:10058-1

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-2013-2191 updated cvss 4.3

python-bugzilla: Does not verify Bugzilla server certificate

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

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

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
pypi python-bugzilla
<0.9.0
0.9.0

Classification

Weakness
  • CWE-20 Improper Input Validation

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.