CVE-2021-42141

{"id": "CVE-2021-42141", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2024-01-22T23:15:08.120", "references": [{"url": "http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://github.com/contiki-ng/tinydtls/issues/27", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://seclists.org/fulldisclosure/2024/Jan/14", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-755"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets Client_Hello, Client_key_exchange, and Change_cipher_spec, which may cause denial of service."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Contiki-NG tinyDTLS hasta el 30 de agosto de 2018. Un protocolo de enlace incorrecto podr\u00eda completarse con diferentes n\u00fameros de \u00e9poca en los paquetes Client_Hello, Client_key_exchange y Change_cipher_spec, lo que puede provocar una denegaci\u00f3n de servicio."}], "lastModified": "2024-01-30T14:30:05.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:contiki-ng:tinydtls:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E938DF84-2663-4516-87E3-B7E46789F6A1", "versionEndIncluding": "2018-08-30"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}