Executive Summary

Informations
Name CVE-2021-42141 First vendor Publication 2024-01-22
Vendor Cve Last vendor Modification 2024-01-30

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42141

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-755 Improper Handling of Exceptional Conditions

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Ser...
https://github.com/contiki-ng/tinydtls/issues/27
https://seclists.org/fulldisclosure/2024/Jan/14
Source Url

Alert History

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Date Informations
2024-02-01 21:27:48
  • Multiple Updates
2024-01-30 17:27:28
  • Multiple Updates
2024-01-23 17:27:29
  • Multiple Updates
2024-01-23 05:27:26
  • First insertion