CVE-2021-43045

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{"affected": [{"affectedData": [{"platforms": [".NET"], "product": "Apache Avro", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "1.10.2", "status": "affected", "version": "Apache Avro", "versionType": "custom"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:avro:*:*:*:*:*:.net:*:*", "matchCriteriaId": "E466F509-ED2A-41A6-A6C8-E3124EAED4F4", "versionEndExcluding": "1.11.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the .NET SDK of Apache Avro allows an attacker to allocate excessive resources, potentially causing a denial-of-service attack. This issue affects .NET applications using Apache Avro version 1.10.2 and prior versions. Users should update to version 1.11.0 which addresses this issue."}, {"lang": "es", "value": "Una vulnerabilidad en el SDK .NET de Apache Avro permite a un atacante asignar recursos excesivos, causando potencialmente un ataque de denegaci\u00f3n de servicio. Este problema afecta a las aplicaciones .NET que usan Apache Avro versiones 1.10.2 y anteriores. Los usuarios deben actualizar a versi\u00f3n 1.11.0, que aborda este problema."}], "id": "CVE-2021-43045", "lastModified": "2026-06-17T04:10:25.710", "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": "2022-01-06T18:15:07.863", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/01/06/8"}, {"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread/5fttw9vk6gd2p3b846nox7hcj5469xfd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/01/06/8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread/5fttw9vk6gd2p3b846nox7hcj5469xfd"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security@apache.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "apache-avro: allows attackers to allocate excessive resources potentially causing a DoS", "id": "2042576", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2042576"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A vulnerability in the .NET SDK of Apache Avro allows an attacker to allocate excessive resources, potentially causing a denial-of-service attack. This issue affects .NET applications using Apache Avro version 1.10.2 and prior versions. Users should update to version 1.11.0 which addresses this issue."], "name": "CVE-2021-43045", "package_state": [{"cpe": "cpe:/a:redhat:jboss_developer_studio:12.", "fix_state": "Out of support scope", "package_name": "avro", "product_name": "Red Hat CodeReady Studio 12"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat Integration Camel K 1"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat Integration Service Registry"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:7", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat JBoss Data Grid 7"}, {"cpe": "cpe:/a:redhat:jboss_data_virtualization:6", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat JBoss Data Virtualization 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat JBoss Fuse 6"}, {"cpe": "cpe:/a:redhat:jboss_fuse_service_works:6", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat JBoss Fuse Service Works 6"}, {"cpe": "cpe:/a:redhat:jboss_operations_network:3", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat JBoss Operations Network 3"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-metering-hadoop", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-metering-hive", "product_name": "Red Hat OpenShift Container Platform 4"}, {"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:red_hat_single_sign_on:7", "fix_state": "Not affected", "package_name": "avro", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2022-01-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-43045\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-43045"], "statement": "CodeReady Studio is no longer supported and therefore this flaw will not be addressed in CodeReady Studio. Please see https://developers.redhat.com/articles/2022/04/18/announcement-red-hat-codeready-studio-reaches-end-life for more information.", "threat_severity": "Moderate"}

{}