CVE-2021-42142 - CVE House
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Status published Unknown CVE-2021-42142

An issue was discovered in Contiki-NG tinyDTLS through master branch...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

tinydtls
Vulnerable Versions:
0

Timeline

Official Publish: January 23rd, 2024
Last Modified: June 11th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.