CVE-2021-42144

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CVSS 3.1

9.8 critical

EPSS

<1%p49

Published

Jan 24, 2024 (Jan 24, 2024)

Modified

Jun 17, 2026

Description

Buffer over-read vulnerability in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers obtain sensitive information via crafted input to dtls_ccm_decrypt_message().

Vendors: contiki-ng
Products: contiki-ng tinydtls
Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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