CVE-2024-3297 json
Session establishment lock-up during replay of CASE Sigma1 messages
published 2024-07-24 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-31887
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
An issue in the Certificate Authenticated Session Establishment (CASE) protocol for establishing secure sessions between two devices, as implemented in the Matter protocol versions before Matter 1.1 allows an attacker to replay manipulated CASE Sigma1 messages to make the device unresponsive until the device is power-cycled.
Patch / fix
- Connectivity Standards Alliance Matter 1.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Connectivity Standards Alliance Matter
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
Sources
- CVE List CVE-2024-3297
- NVD CVE-2024-3297
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.