CVE-2020-3500

{"id": "CVE-2020-3500", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "ykramarz@cisco.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 2.2}]}, "published": "2020-08-17T18:15:13.883", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr5k-ipv6-dos-ce3zhF8m", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}, {"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the IPv6 implementation of Cisco StarOS could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of incoming IPv6 traffic. An attacker could exploit this vulnerability by sending a crafted IPv6 packet to an affected device with the goal of reaching the vulnerable section of the input buffer. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. This vulnerability is specific to IPv6 traffic. IPv4 traffic is not affected."}, {"lang": "es", "value": "Una vulnerabilidad en la implementaci\u00f3n de IPv6 de Cisco StarOS podr\u00eda permitir a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) sobre un dispositivo afectado. La vulnerabilidad es debido a una comprobaci\u00f3n insuficiente del tr\u00e1fico IPv6 entrante. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un paquete IPv6 dise\u00f1ado hacia un dispositivo afectado con el objetivo de llegar a la secci\u00f3n vulnerable del b\u00fafer de entrada. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar que el dispositivo se recargue, resultando en una condici\u00f3n de DoS. Esta vulnerabilidad es espec\u00edfica del tr\u00e1fico IPv6. El tr\u00e1fico IPv4 no est\u00e1 afectado."}], "lastModified": "2023-11-07T03:22:48.680", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:staros:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BAB16C4F-7F76-43AB-B0DE-747D6BD25338", "versionEndExcluding": "21.18.3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:virtualized_packet_core-single_instance:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A57A0338-1FB7-464E-9968-102163EB8362"}, {"criteria": "cpe:2.3:h:cisco:asr_5500:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "301681DF-2A9E-4A91-9918-4A46153ADC01"}, {"criteria": "cpe:2.3:h:cisco:asr_5700:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A9EF0299-16A7-446D-855D-BFF91EE65534"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "ykramarz@cisco.com"}