{ "id": "CVE-2021-21727", "sourceIdentifier": "psirt@zte.com.cn", "published": "2021-03-29T16:15:13.133", "lastModified": "2021-04-01T14:26:27.013", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A ZTE product has a DoS vulnerability. A remote attacker can amplify traffic by sending carefully constructed IPv6 packets to the affected devices, which eventually leads to device denial of service. This affects:" }, { "lang": "es", "value": "Un producto ZTE presenta una vulnerabilidad de DoS. Un atacante remoto puede amplificar el tr\u00e1fico mediante el env\u00edo de paquetes IPv6 cuidadosamente construidos hacia los dispositivos afectados, lo que eventualmente conlleva a una denegaci\u00f3n de servicio del dispositivo. Esto afecta a: (ZXHN F623) (Todas las versiones hasta V6.0.0P3T33)" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8 }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:zte:zxhn_f623_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.0p3t34", "matchCriteriaId": "9CB260C1-1CE3-4016-8C9E-117DA72A9DF6" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:zte:zxhn_f623:-:*:*:*:*:*:*:*", "matchCriteriaId": "6746E033-5814-4D1A-869A-371ECA32323F" } ] } ] } ], "references": [ { "url": "https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014744", "source": "psirt@zte.com.cn", "tags": [ "Vendor Advisory" ] } ] }