CVE-2020-16843

{"id": "CVE-2020-16843", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2020-08-04T20:15:12.430", "references": [{"url": "http://www.openwall.com/lists/oss-security/2020/08/13/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/firecracker-microvm/firecracker/issues/2057", "tags": ["Mitigation", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.openwall.com/lists/oss-security/2020/08/13/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered."}, {"lang": "es", "value": "En Firecracker versiones 0.20.x anteriores a 0.20.1 y versiones 0.21.x anteriores a 0.21.2, la pila de red puede congelarse bajo tr\u00e1fico de entrada pesado. Esto puede resultar en una denegaci\u00f3n de servicio en el microVM cuando es configurado con una \u00fanica interfaz de red, y un problema de disponibilidad para la interfaz de red de microVM en la cual el problema es desencadenado"}], "lastModified": "2020-08-19T18:39:27.377", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:amazon:firecracker:0.20.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2596FA38-A71A-4CFF-8F3A-943A5E7DDBBA"}, {"criteria": "cpe:2.3:a:amazon:firecracker:0.21.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A7BC5BDF-70BF-4E81-B0AC-FC94F0AFC8BB"}, {"criteria": "cpe:2.3:a:amazon:firecracker:0.21.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E005C187-CEFB-420B-B1B7-1320B8F6D10E"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}