CVE-2021-31522

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{"affected": [{"affectedData": [{"product": "Apache Kylin", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "2.6.6", "status": "affected", "version": "Apache Kylin 2", "versionType": "custom"}, {"lessThanOrEqual": "3.1.2", "status": "affected", "version": "Apache Kylin 3", "versionType": "custom"}, {"lessThanOrEqual": "4.0.0", "status": "affected", "version": "Apache Kylin 4", "versionType": "custom"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*", "matchCriteriaId": "7ED3ED46-D80F-4D42-9973-9F075B946351", "versionEndIncluding": "2.6.6", "versionStartIncluding": "2.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*", "matchCriteriaId": "5EB6EBBD-9C39-45B1-9EED-9D99228D0D76", "versionEndExcluding": "3.1.3", "versionStartIncluding": "3.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:kylin:4.0.0:-:*:*:*:*:*:*", "matchCriteriaId": "A9ED56E6-4BD6-410A-894C-350295DB8443", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:kylin:4.0.0:alpha:*:*:*:*:*:*", "matchCriteriaId": "7CBD3E44-4EB4-474D-911C-3C1ED9061DCE", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:kylin:4.0.0:beta:*:*:*:*:*:*", "matchCriteriaId": "BE87BCCF-8188-44F3-A727-808A8D6C45B9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Kylin can receive user input and load any class through Class.forName(...). This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions; Apache Kylin 4 version 4.0.0 and prior versions."}, {"lang": "es", "value": "Kylin puede recibir la entrada del usuario y cargar cualquier clase mediante Class.forName(...). Este problema afecta a Apache Kylin 2 versiones 2.6.6 y anteriores; Apache Kylin 3 versiones 3.1.2 y anteriores; Apache Kylin 4 versiones 4.0.0 y anteriores."}], "id": "CVE-2021-31522", "lastModified": "2026-06-17T03:51:57.340", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-01-06T13:15:08.027", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/01/06/4"}, {"source": "security@apache.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://lists.apache.org/thread/hh5crx3yr701zd8wtpqo1mww2rlkvznw"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/01/06/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://lists.apache.org/thread/hh5crx3yr701zd8wtpqo1mww2rlkvznw"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-470"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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