CVE-2021-42144

Buffer over-read vulnerability in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers obtain sensitive information via crafted input to dtls_ccm_decrypt_message().

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://seclists.org/fulldisclosure/2024/Jan/17	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jan/17
https://seclists.org/fulldisclosure/2024/Jan/17	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:contiki-ng:contiki-ng_tinydtls:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:27

Type	Values Removed	Values Added
References		() http://seclists.org/fulldisclosure/2024/Jan/17 -
References	~~() https://seclists.org/fulldisclosure/2024/Jan/17 - Mailing List, Third Party Advisory~~	() https://seclists.org/fulldisclosure/2024/Jan/17 - Mailing List, Third Party Advisory

31 Jan 2024, 20:27

Type	Values Removed	Values Added
CPE		cpe:2.3:o:contiki-ng:contiki-ng_tinydtls::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
CWE		CWE-125
First Time		Contiki-ng contiki-ng Tinydtls Contiki-ng
References	~~() https://seclists.org/fulldisclosure/2024/Jan/17 -~~	() https://seclists.org/fulldisclosure/2024/Jan/17 - Mailing List, Third Party Advisory

24 Jan 2024, 18:45

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-01-24 18:15

Updated : 2025-06-20 20:15

NVD link : CVE-2021-42144

Mitre link : CVE-2021-42144

CVE.ORG link : CVE-2021-42144

JSON object : View

Products Affected

contiki-ng

contiki-ng_tinydtls

CWE

CWE-125

Out-of-bounds Read

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