CVE-2021-42142

CRITICAL

9.8

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung9.8

SchweregradCRITICAL

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

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht1/23/2024

Zuletzt geandert6/11/2025

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

contiki-ng:tinydtls

Schwachen (CWE)

CWE-755CWE-770

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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