CVE-2021-20328

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Esta vulnerabilidad, en combinaci\u00f3n con un ataque MITM activo en una posici\u00f3n de red privilegiada, podr\u00eda resultar en una interceptaci\u00f3n del tr\u00e1fico entre el controlador de Java y el servicio KMS, haciendo que el cifrado a nivel de campo sea ineficaz. Este problema se detect\u00f3 durante las pruebas internas y afecta a todas las versiones del controlador de Java que soportan CSFLE. Los controladores Java async, Scala y flujos reactivos no est\u00e1n afectados. Esta vulnerabilidad no afecta a las cargas de tr\u00e1fico del controlador con servicios clave compatibles con CSFLE que se originan en aplicaciones que residen dentro de los tejidos de red de AWS, GCP y Azure debido a los controles de compensaci\u00f3n en estos entornos. Este problema no afecta a las cargas de trabajo de los controladores que no usan Field Level Encryption"}], "id": "CVE-2021-20328", "lastModified": "2026-06-17T03:33:40.913", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 5.5, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.2, "source": "cna@mongodb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-20328", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-02-13T16:48:15.681647Z", "version": "2.0.3"}}]}, "published": "2021-02-25T17:15:28.303", "references": [{"source": "cna@mongodb.com", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://jira.mongodb.org/browse/JAVA-4017"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://jira.mongodb.org/browse/JAVA-4017"}], "sourceIdentifier": "cna@mongodb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "cna@mongodb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:4918", "cpe": "cpe:/a:redhat:integration:1", "package": "mongodb-driver", "product_name": "Red Hat Integration", "release_date": "2021-12-02T00:00:00Z"}, {"advisory": "RHSA-2021:4767", "cpe": "cpe:/a:redhat:camel_quarkus:2.2", "impact": "moderate", "package": "mongodb-driver", "product_name": "Red Hat Integration Camel Quarkus 1", "release_date": "2021-11-23T00:00:00Z"}, {"advisory": "RHSA-2021:0871", "cpe": "cpe:/a:redhat:integration:1", "package": "mongodb-driver", "product_name": "Red Hat Integration Debezium 1.4.2", "release_date": "2021-03-16T00:00:00Z"}], "bugzilla": {"description": "mongo-java-driver: client-side field level encryption not verifying KMS host name", "id": "1934236", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934236"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-295", "details": ["Specific versions of the Java driver that support client-side field level encryption (CSFLE) fail to perform correct host name verification on the KMS server\u2019s certificate. This vulnerability in combination with a privileged network position active MITM attack could result in interception of traffic between the Java driver and the KMS service rendering Field Level Encryption ineffective. This issue was discovered during internal testing and affects all versions of the Java driver that support CSFLE. The Java async, Scala, and reactive streams drivers are not impacted. This vulnerability does not impact driver traffic payloads with CSFLE-supported key services originating from applications residing inside the AWS, GCP, and Azure network fabrics due to compensating controls in these environments. This issue does not impact driver workloads that don\u2019t use Field Level Encryption."], "name": "CVE-2021-20328", "package_state": [{"cpe": "cpe:/a:redhat:a_mq_clients:2", "fix_state": "Will not fix", "package_name": "mongodb-driver", "product_name": "A-MQ Clients 2"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Affected", "package_name": "mongodb-driver", "product_name": "Red Hat build of Debezium 1"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "mongo-java-driver", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_data_virtualization:6", "fix_state": "Not affected", "package_name": "mongo-java-driver", "product_name": "Red Hat JBoss Data Virtualization 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Not affected", "package_name": "mongo-java-driver", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Not affected", "package_name": "mongo-java-driver", "product_name": "Red Hat JBoss Fuse 6"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-metering-presto", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-mongodb36-mongo-java-driver", "product_name": "Red Hat Software Collections"}], "public_date": "2021-02-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-20328\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-20328"], "threat_severity": "Moderate"}

{}