Read the docs
TI-2024-03219 Aliases CVE-2024-3454GHSA-5w32-hrcv-cfhw

In-Fabric Matter Cluster Attribute Disclosure

Priority LOW 16CWE-209Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-209.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00208 11th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Connectivity Standards Allianceconnectedhomeip1.2.0.1—No fix listedCNA
  • connectedhomeip VendorConnectivity Standards Alliance Affected 1.2.0.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:csa-iot:matter:-:*:*:*:*:*:*:*not specified by NVDVulnerableCsa-iot
  • cpe:2.3:a:csa-iot:matter:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Csa-iot

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-3454
  2. 2026-10-03 Alias added: GHSA-5w32-hrcv-cfhw

References

  • TI-2025-35316 A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) before… CVSS 3.1MEDIUM 5.7
  • TI-2025-35315 A use of uninitialized value vulnerability exists in the Matter SDK (connectedhomeip)… CVSS 3.1MEDIUM 5.7
  • TI-2025-35314 A null pointer dereference vulnerability exists in the Matter SDK (connectedhomeip)… CVSS 3.1MEDIUM 5.7
  • TI-2025-35313 A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) before… CVSS 3.1MEDIUM 5.7
  • TI-2025-35312 A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) 1.3 thru… CVSS 3.1MEDIUM 5.7
  • TI-2024-03091 Session establishment lock-up during replay of CASE Sigma1 messages CVSS 3.1MEDIUM 6.5

Sources