CVE-2021-42147

{"id": "CVE-2021-42147", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2024-01-24T19:15:08.530", "references": [{"url": "https://seclists.org/fulldisclosure/2024/Jan/20", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "Buffer over-read vulnerability in the dtls_sha256_update function in Contiki-NG tinyDTLS through master branch 53a0d97 allows remote attackers to cause a denial of service via crafted data packet."}, {"lang": "es", "value": "Vulnerabilidad de lectura excesiva del b\u00fafer en la funci\u00f3n dtls_sha256_update en Contiki-NG tinyDTLS a trav\u00e9s de la rama maestra 53a0d97 permite a atacantes remotos provocar una denegaci\u00f3n de servicio a trav\u00e9s de un paquete de datos manipulado."}], "lastModified": "2024-02-01T17:43:47.787", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:contiki-ng:tinydtls:2018-08-30:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "90402650-48E8-4C88-9306-B32811E56046"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}