CVE-2021-34408

{"containers": {"cna": {"affected": [{"product": "Zoom Client for Meetings for Windows", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions of the Zoom Client for Meetings for Windows before version 5.3.2"}]}], "descriptions": [{"lang": "en", "value": "The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client. This could allow for potential privilege escalation if a link was created between the user writable directory used and a non-user writable directory."}], "problemTypes": [{"descriptions": [{"description": "External Control of Filename or Path", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-10-01T20:57:15.000Z", "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-2021-34408", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Zoom Client for Meetings for Windows", "version": {"version_data": [{"version_value": "All versions of the Zoom Client for Meetings for Windows before version 5.3.2"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client. This could allow for potential privilege escalation if a link was created between the user writable directory used and a non-user writable directory."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "External Control of Filename or Path"}]}]}, "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": "2024-08-04T00:12:50.000Z"}, "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-2021-34408", "datePublished": "2021-09-27T13:55:35.000Z", "dateReserved": "2021-06-09T00:00:00.000Z", "dateUpdated": "2024-08-04T00:12:50.000Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Zoom Client for Meetings for Windows", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions of the Zoom Client for Meetings for Windows before version 5.3.2"}]}], "source": "security@zoom.us"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zoom:meetings:*:*:*:*:*:windows:*:*", "matchCriteriaId": "855F1B02-6F00-4AF8-A1F5-0370508229E8", "versionEndExcluding": "5.3.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client. This could allow for potential privilege escalation if a link was created between the user writable directory used and a non-user writable directory."}, {"lang": "es", "value": "Zoom Client for Meetings para Windows en todas las versiones anteriores a 5.3.2, escribe archivos de registro en un directorio en el que el usuario puede escribir como usuario privilegiado durante la instalaci\u00f3n o la actualizaci\u00f3n del cliente. Esto podr\u00eda permitir una potencial escalada de privilegios si se creara un enlace entre el directorio con escritura de usuario usado y un directorio sin escritura de usuario"}], "id": "CVE-2021-34408", "lastModified": "2026-06-17T03:55:48.090", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-27T14:15:08.083", "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-59"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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