PatchTheCVECVE-2013-2191: python-bugzilla before 0.9.0 does not validate X.509 certificates, which allows man-in-the-middle attackers to
CVE-2013-2191 is a medium-severity flaw (CVSS 4.3) affecting python-bugzilla, fedora, opensuse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| EPSS exploit chance | 0.9% (top 40%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2014-02-08 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2013-2191?
python-bugzilla: upgrade to newer than 0.8.0; fedora: mitigate or apply the listed mitigation; opensuse: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2013-2191 being exploited?
CVE-2013-2191 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2013-2191 affect?
CVE-2013-2191 affects python-bugzilla, fedora, opensuse. Severity is medium (CVSS 4.3). 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.
How urgent is CVE-2013-2191?
Priority 30/100. No elevated risk signals yet.