Vulnerability CVE-2021-42141
Published: 2024-01-22   Modified: 2024-01-23

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.

 References:
https://github.com/contiki-ng/tinydtls/issues/27
http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html
https://seclists.org/fulldisclosure/2024/Jan/14
Copyright 2026, cxsecurity.com

 

Back to Top