CVE-2021-42145

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-24 · updated 2026-06-17
Weakness: CWE-755

Description

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.

Affected products

contiki-ng Tinydtls: through 2018-08-30

References

https://seclists.org/fulldisclosure/2024/Jan/18
http://seclists.org/fulldisclosure/2024/Jan/18
https://seclists.org/fulldisclosure/2024/Jan/18

Get alerted when CVE-2021-42145 or the next vulnerability affects your stack