CVE-2020-5591

{"containers": {"cna": {"affected": [{"product": "XACK DNS", "vendor": "XACK, Inc.", "versions": [{"status": "affected", "version": "1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0"}]}], "descriptions": [{"lang": "en", "value": "XACK DNS 1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0 allow remote attackers to cause a denial of service condition resulting in degradation of the recursive resolver's performance or compromising the recursive resolver as a reflector in a reflection attack."}], "problemTypes": [{"descriptions": [{"description": "Denial-of-service (DoS)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-06-05T10:05:15.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://xack.co.jp/info/?ID=622"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/jp/JVN40208370/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2020-5591", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "XACK DNS", "version": {"version_data": [{"version_value": "1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0"}]}}]}, "vendor_name": "XACK, Inc."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "XACK DNS 1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0 allow remote attackers to cause a denial of service condition resulting in degradation of the recursive resolver's performance or compromising the recursive resolver as a reflector in a reflection attack."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Denial-of-service (DoS)"}]}]}, "references": {"reference_data": [{"name": "https://xack.co.jp/info/?ID=622", "refsource": "MISC", "url": "https://xack.co.jp/info/?ID=622"}, {"name": "https://jvn.jp/en/jp/JVN40208370/index.html", "refsource": "MISC", "url": "https://jvn.jp/en/jp/JVN40208370/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T08:30:24.525Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://xack.co.jp/info/?ID=622"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/jp/JVN40208370/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2020-5591", "datePublished": "2020-06-05T10:05:15.000Z", "dateReserved": "2020-01-06T00:00:00.000Z", "dateUpdated": "2024-08-04T08:30:24.525Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "XACK DNS", "vendor": "XACK, Inc.", "versions": [{"status": "affected", "version": "1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xack:xack_dns:*:*:*:*:*:*:*:*", "matchCriteriaId": "5E95A315-EB25-455C-9134-F36FACC2F931", "versionEndIncluding": "1.7.18", "vulnerable": true}, {"criteria": "cpe:2.3:a:xack:xack_dns:*:*:*:*:*:*:*:*", "matchCriteriaId": "06152647-9C06-41DA-908B-EBE2DA082FCE", "versionEndIncluding": "1.8.23", "versionStartIncluding": "1.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:xack:xack_dns:*:*:*:*:*:*:*:*", "matchCriteriaId": "D1EC9051-3E81-4FD1-AEAE-D4E6C709C084", "versionEndIncluding": "1.10.8", "versionStartIncluding": "1.10.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:xack:xack_dns:*:*:*:*:*:*:*:*", "matchCriteriaId": "A142B778-D19F-48D9-9214-89F442B9886A", "versionEndIncluding": "1.11.4", "versionStartIncluding": "1.11.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "XACK DNS 1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0 allow remote attackers to cause a denial of service condition resulting in degradation of the recursive resolver's performance or compromising the recursive resolver as a reflector in a reflection attack."}, {"lang": "es", "value": "XACK DNS versiones 1.11.0 hasta 1.11.4, versiones 1.10.0 hasta 1.10.8, versiones 1.8.0 hasta 1.8.23, versiones 1.7.0 hasta 1.7.18 y versiones anteriores a 1.7.0, permiten a atacantes remotos causar una condici\u00f3n denegaci\u00f3n de servicio resultando en una degradaci\u00f3n del rendimiento del resolutor recursivo o comprometiendo el resolutor recursivo como un reflector en un ataque de reflexi\u00f3n"}], "id": "CVE-2020-5591", "lastModified": "2026-06-17T03:21:39.427", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-06-05T18:15:14.293", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Mitigation", "Third Party Advisory", "VDB Entry"], "url": "https://jvn.jp/en/jp/JVN40208370/index.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://xack.co.jp/info/?ID=622"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Third Party Advisory", "VDB Entry"], "url": "https://jvn.jp/en/jp/JVN40208370/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://xack.co.jp/info/?ID=622"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-674"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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