CVE-2021-34418

{"containers": {"cna": {"affected": [{"product": "Zoom On-Premise Meeting Connector", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "4.6.239.20200613", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Zoom On-Premise Meeting Connector MMR", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "4.6.239.20200613", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Zoom On-Premise Recording Connector", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "3.8.42.20200905", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Zoom On-Premise Virtual Room Connector", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "4.4.6344.20200612", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Zoom On-Premise Virtual Room Connector Load Balancer", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "2.5.5492.20200616", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Jeremy Brown"}], "datePublic": "2021-11-12T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Improper Input Validation", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-11-11T22:59:47.000Z", "orgId": "99b9af0d-a833-4a5d-9e2f-8b1324f35351", "shortName": "Zoom"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin"}], "source": {"discovery": "USER"}, "title": "Pre-auth Null pointer crash in on-premise web console", "x_legacyV4Record": {"CVE_data_meta": {"AKA": "Zoom Communications Inc", "ASSIGNER": "security@zoom.us", "DATE_PUBLIC": "2021-11-12T17:00:00.000Z", "ID": "CVE-2021-34418", "STATE": "PUBLIC", "TITLE": "Pre-auth Null pointer crash in on-premise web console"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Zoom On-Premise Meeting Connector", "version": {"version_data": [{"version_affected": "<", "version_value": "4.6.239.20200613"}]}}, {"product_name": "Zoom On-Premise Meeting Connector MMR", "version": {"version_data": [{"version_affected": "<", "version_value": "4.6.239.20200613"}]}}, {"product_name": "Zoom On-Premise Recording Connector", "version": {"version_data": [{"version_affected": "<", "version_value": "3.8.42.20200905"}]}}, {"product_name": "Zoom On-Premise Virtual Room Connector", "version": {"version_data": [{"version_affected": "<", "version_value": "4.4.6344.20200612"}]}}, {"product_name": "Zoom On-Premise Virtual Room Connector Load Balancer", "version": {"version_data": [{"version_affected": "<", "version_value": "2.5.5492.20200616"}]}}]}, "vendor_name": "Zoom Video Communications Inc"}]}}, "credit": [{"lang": "eng", "value": "Jeremy Brown"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://explore.zoom.us/en/trust/security/security-bulletin", "refsource": "MISC", "url": "https://explore.zoom.us/en/trust/security/security-bulletin"}]}, "source": {"discovery": "USER"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:12:50.149Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin"}]}]}, "cveMetadata": {"assignerOrgId": "99b9af0d-a833-4a5d-9e2f-8b1324f35351", "assignerShortName": "Zoom", "cveId": "CVE-2021-34418", "datePublished": "2021-11-11T22:59:47.920Z", "dateReserved": "2021-06-09T00:00:00.000Z", "dateUpdated": "2024-09-16T22:14:22.064Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Zoom On-Premise Meeting Connector", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "4.6.239.20200613", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Zoom On-Premise Meeting Connector MMR", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "4.6.239.20200613", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Zoom On-Premise Recording Connector", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "3.8.42.20200905", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Zoom On-Premise Virtual Room Connector", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "4.4.6344.20200612", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Zoom On-Premise Virtual Room Connector Load Balancer", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "2.5.5492.20200616", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@zoom.us"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_controller:*:*:*:*:*:*:*:*", "matchCriteriaId": "99BE2760-1BA7-421B-A0C1-C7EB197877FE", "versionEndExcluding": "4.6.239.20200613", "vulnerable": true}, {"criteria": "cpe:2.3:a:zoom:zoom_on-premise_meeting_connector_mmr:*:*:*:*:*:*:*:*", "matchCriteriaId": "1AA6CACE-15E6-4B31-82AE-77657493EB81", "versionEndExcluding": "4.6.239.20200613", "vulnerable": true}, {"criteria": "cpe:2.3:a:zoom:zoom_on-premise_recording_connector:*:*:*:*:*:*:*:*", "matchCriteriaId": "8A39FEDC-0FE3-48E0-A12A-82A7227C6664", "versionEndExcluding": "3.8.42.20200905", "vulnerable": true}, {"criteria": "cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector:*:*:*:*:*:*:*:*", "matchCriteriaId": "8EB1B314-D1E7-4C2E-99AD-9D8A790EE45C", "versionEndExcluding": "4.4.6344.20200612", "vulnerable": true}, {"criteria": "cpe:2.3:a:zoom:zoom_on-premise_virtual_room_connector_load_balancer:*:*:*:*:*:*:*:*", "matchCriteriaId": "32C9D197-4646-4C09-92D8-111FD0BE48A3", "versionEndExcluding": "2.5.5492.20200616", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service."}, {"lang": "es", "value": "La rutina de inicio de sesi\u00f3n de la consola web en Zoom On-Premise Meeting Connector versiones anteriores a 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR versiones anteriores a 4.6.239.20200613, Zoom On-Premise Recording Connector versiones anteriores a 3.8.42. 20200905, Zoom On-Premise Virtual Room Connector versiones anteriores a 4.4.6344.20200612 y Zoom On-Premise Virtual Room Connector Load Balancer versiones anteriores a 2.5.5492.20200616, no comprueban que se haya enviado un byte NULL mientras se autentican. Esto podr\u00eda conllevar un fallo en el servicio de inicio de sesi\u00f3n"}], "id": "CVE-2021-34418", "lastModified": "2026-06-17T03:55:49.123", "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": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 1.4, "source": "security@zoom.us", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-11T23:15:09.467", "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-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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