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Vulnerability record · CVE-2024-3297 · published 24 July 2024

CVE-2024-3297: Csa-iot matter uncontrolled resource consumption vulnerability

Csa Iot · Matter

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.

6.5 CVSS 3.1 Medium EPSS 0.15% · top 96.3% CWE-400 · Uncontrolled resource consumption
6.5CVSS 3.1 base score
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.bitdefender.com/support/security-advisories/session-establishment-lock-up-during-replay-of-case-sigma1-messa Third Party Advisory
https://www.bitdefender.com/support/security-advisories/session-establishment-lock-up-during-replay-of-case-sigma1-messa Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-3297), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.