In-Fabric Matter Cluster Attribute Disclosure
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Connectivity Standards Alliance | connectedhomeip | 1.2.0.1 | — | No fix listed | CNA |
- connectedhomeip VendorConnectivity Standards Alliance Affected 1.2.0.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-3454
- 2026-10-03 Alias added: GHSA-5w32-hrcv-cfhw
References
More Csa-iot Matter vulnerabilities
- 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
- CVE-2024-3454 · CVE Program
- CVE-2024-3454 · NVD
- FIRST EPSS
- GHSA-5w32-hrcv-cfhw · GitHub Advisory Database · CC BY 4.0
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