CVE-2021-42141

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets Client_Hello, Client_key_exchange, and Change_cipher_spec, which may cause denial of service.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-755

Affected software

No affected versions have been published.

Timeline

Published: Jan 22, 2024
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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