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Improper Handling of Exceptional Conditions

CVE-2021-42141

Severity High
Score 9.8/10

Summary

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.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-755 - Improper Handling of Exceptional Conditions

The software does not handle or incorrectly handles an exceptional condition.

References

Advisory Timeline

  • Published