Security Advisory

CVE-2021-42146

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2024-01-24 00:00:00

Last updated 2025-06-20 19:19:37

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers allow remote attackers to reuse the same epoch number within two times the TCP maximum segment lifetime, which is prohibited in RFC6347. This vulnerability allows remote attackers to obtain sensitive application (data of connected clients).

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