CVE-2021-34415

{"containers": {"cna": {"affected": [{"product": "Zoom On-Premise Meeting Connector Controller", "vendor": "n/a", "versions": [{"status": "affected", "version": "The Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205"}]}], "descriptions": [{"lang": "en", "value": "The Zone Controller service in the Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205 does not verify the cnt field sent in incoming network packets, which leads to exhaustion of resources and system crash."}], "problemTypes": [{"descriptions": [{"description": "Uncontrolled Resource Consumption", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-10-01T21:04:26.000Z", "orgId": "99b9af0d-a833-4a5d-9e2f-8b1324f35351", "shortName": "Zoom"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@zoom.us", "ID": "CVE-2021-34415", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Zoom On-Premise Meeting Connector Controller", "version": {"version_data": [{"version_value": "The Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Zone Controller service in the Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205 does not verify the cnt field sent in incoming network packets, which leads to exhaustion of resources and system crash."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://explore.zoom.us/en/trust/security/security-bulletin/", "refsource": "CONFIRM", "url": "https://explore.zoom.us/en/trust/security/security-bulletin/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:12:49.983Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin/"}]}]}, "cveMetadata": {"assignerOrgId": "99b9af0d-a833-4a5d-9e2f-8b1324f35351", "assignerShortName": "Zoom", "cveId": "CVE-2021-34415", "datePublished": "2021-09-27T13:56:06.000Z", "dateReserved": "2021-06-09T00:00:00.000Z", "dateUpdated": "2024-08-04T00:12:49.983Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Zoom On-Premise Meeting Connector Controller", "vendor": "n/a", "versions": [{"status": "affected", "version": "The Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205"}]}], "source": "security@zoom.us"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zoom:meeting_connector:*:*:*:*:*:*:*:*", "matchCriteriaId": "BE84F3BF-C851-48CA-9AED-7C73614BD524", "versionEndExcluding": "4.6.358.20210205", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Zone Controller service in the Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205 does not verify the cnt field sent in incoming network packets, which leads to exhaustion of resources and system crash."}, {"lang": "es", "value": "El servicio Zone Controller del Zoom On-Premise Meeting Connector Controller versiones anteriores a 4.6.358.20210205 no verifica el campo cnt enviado en los paquetes de red entrantes, que conlleva al agotamiento de los recursos y el bloqueo del sistema"}], "id": "CVE-2021-34415", "lastModified": "2026-06-17T03:55:48.813", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "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": "2021-09-27T14:15:08.397", "references": [{"source": "security@zoom.us", "tags": ["Vendor Advisory"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin/"}], "sourceIdentifier": "security@zoom.us", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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