Vulnerabilities > CVE-2021-42146 - Improper Handling of Exceptional Conditions vulnerability in Contiki-Ng Tinydtls 20180830
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers allow remote attackers to reuse the same epoch number within two times the TCP maximum segment lifetime, which is prohibited in RFC6347. This vulnerability allows remote attackers to obtain sensitive application (data of connected clients).
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |