VULNERABILITY INTELLIGENCE

CVE-2021-42141

CVSS score9.8 CRITICAL
EPSS probability1.18%
CISA KEVNot currently listed
Published2024-01-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-755: Improper Handling of Exceptional Conditions

Primary references