{"vulnerability": "CVE-2021-42142", "sightings": [{"uuid": "7fd3282d-7c4e-4de0-9a86-fc51ad775e45", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42142", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/18099", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-42142\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 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.\n\ud83d\udccf Published: 2024-01-23T00:00:00.000Z\n\ud83d\udccf Modified: 2025-06-11T17:09:33.477Z\n\ud83d\udd17 References:\n1. https://github.com/contiki-ng/tinydtls/issues/24\n2. https://seclists.org/fulldisclosure/2024/Jan/15", "creation_timestamp": "2025-06-11T17:34:27.000000Z"}, {"uuid": "d7c34477-b653-4bec-bc55-63d69857b869", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42142", "type": "seen", "source": "https://t.me/ctinow/172395", "content": "https://ift.tt/wRmZNsU\nCVE-2021-42142", "creation_timestamp": "2024-01-23T23:26:59.000000Z"}, {"uuid": "76b57eec-b78b-464d-a660-161870581e30", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42142", "type": "seen", "source": "https://t.me/ctinow/182952", "content": "https://ift.tt/Iw4nrCF\nCVE-2021-42142 | Contiki-NG TinyDTLS up to 2018-08-30 Epoch Number denial of service (Issue 24)", "creation_timestamp": "2024-02-12T09:02:36.000000Z"}]}