CVE-2021-42142

CRITICAL

9.8

Descricao

An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/23/2024

Ultima modificacao6/11/2025

Fontenvd

Avistamentos honeypot0

Produtos afetados

contiki-ng:tinydtls

Fraquezas (CWE)

CWE-755CWE-770

Referencias

https://github.com/contiki-ng/tinydtls/issues/24(cve@mitre.org)

https://seclists.org/fulldisclosure/2024/Jan/15(cve@mitre.org)

http://seclists.org/fulldisclosure/2024/Jan/15(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/contiki-ng/tinydtls/issues/24(af854a3a-2127-422b-91ae-364da2661108)

https://seclists.org/fulldisclosure/2024/Jan/15(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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