Unrated severityNVD Advisory· Published Jan 23, 2024· Updated Jun 11, 2025

CVE-2021-42142

Description

An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Contiki-NG/tinyDTLSdescription
Eclipse/Tinydtlsllm-fuzzy
Range: <=53a0d97

Patches

Vulnerability mechanics

References

github.com/contiki-ng/tinydtls/issues/24mitre
seclists.org/fulldisclosure/2024/Jan/15mitre

News mentions

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