CVE-2021-42145

An assertion failure discovered in in check_certificate_request() in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers to cause a denial of service.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://seclists.org/fulldisclosure/2024/Jan/18	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jan/18
https://seclists.org/fulldisclosure/2024/Jan/18	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:contiki-ng:tinydtls:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:27

Type	Values Removed	Values Added
References		() http://seclists.org/fulldisclosure/2024/Jan/18 -
References	~~() https://seclists.org/fulldisclosure/2024/Jan/18 - Mailing List, Third Party Advisory~~	() https://seclists.org/fulldisclosure/2024/Jan/18 - Mailing List, Third Party Advisory

31 Jan 2024, 18:56

Type	Values Removed	Values Added
First Time		Contiki-ng tinydtls Contiki-ng
CWE		CWE-755
CPE		cpe:2.3:a:contiki-ng:tinydtls::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
References	~~() https://seclists.org/fulldisclosure/2024/Jan/18 -~~	() https://seclists.org/fulldisclosure/2024/Jan/18 - Mailing List, Third Party Advisory

24 Jan 2024, 19:43

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-01-24 19:15

Updated : 2025-06-20 20:15

NVD link : CVE-2021-42145

Mitre link : CVE-2021-42145

CVE.ORG link : CVE-2021-42145

JSON object : View

Products Affected

contiki-ng

tinydtls

CWE

CWE-755

Improper Handling of Exceptional Conditions

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