Resource exhaustion in Connectivity Standards Alliance Matter
CVE-2024-3297
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (3.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Connectivity Standards Alliance Matter — versions 0
- Csa-Iot Matter
Weakness classification (CWE)
References
- www.bitdefender.com/support/security-advisories/session-establishment-lock-up-d… (Third Party Advisory)
Frequently asked questions
- What is CVE-2024-3297?
- CVE-2024-3297 is a medium-severity vulnerability in Connectivity Standards Alliance Matter, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2024-07-24.
- How severe is CVE-2024-3297?
- Medium severity. CVSS v3 base score is 6.5 out of 10.