{ "containers": { "cna": { "affected": [ { "product": "Zoom Client for Meetings for MacOS (Standard and for IT Admin)", "vendor": "Zoom Video Communications Inc", "versions": [ { "lessThan": "5.2.0", "status": "affected", "version": "unspecified", "versionType": "custom" } ] }, { "product": "Zoom Client Plugin for Sharing iPhone/iPad", "vendor": "Zoom Video Communications Inc", "versions": [ { "lessThan": "5.2.0", "status": "affected", "version": "unspecified", "versionType": "custom" } ] }, { "product": "Zoom Rooms for Conference", "vendor": "Zoom Video Communications Inc", "versions": [ { "lessThan": "5.1.0", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "value": "Lockheed Martin Red Team" } ], "datePublic": "2021-12-14T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user's machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "description": "Creation of Temporary File in Directory with Insecure Permissions", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-12-14T19:28:13.000Z", "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": "Zoom Client Installer Local Privilege Escalation", "x_legacyV4Record": { "CVE_data_meta": { "AKA": "Zoom Communications Inc", "ASSIGNER": "security@zoom.us", "DATE_PUBLIC": "2021-12-14T15:00:00.000Z", "ID": "CVE-2021-34409", "STATE": "PUBLIC", "TITLE": "Zoom Client Installer Local Privilege Escalation" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Zoom Client for Meetings for MacOS (Standard and for IT Admin)", "version": { "version_data": [ { "version_affected": "<", "version_value": "5.2.0" } ] } }, { "product_name": "Zoom Client Plugin for Sharing iPhone/iPad", "version": { "version_data": [ { "version_affected": "<", "version_value": "5.2.0" } ] } }, { "product_name": "Zoom Rooms for Conference", "version": { "version_data": [ { "version_affected": "<", "version_value": "5.1.0" } ] } } ] }, "vendor_name": "Zoom Video Communications Inc" } ] } }, "credit": [ { "lang": "eng", "value": "Lockheed Martin Red Team" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "It was discovered that the installation packages of the Zoom Client for Meetings for MacOS (Standard and for IT Admin) installation before version 5.2.0, Zoom Client Plugin for Sharing iPhone/iPad before version 5.2.0, and Zoom Rooms for Conference before version 5.1.0, copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user's machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process." } ] }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Creation of Temporary File in Directory with Insecure Permissions" } ] } ] }, "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": "2024-08-04T00:12:50.177Z" }, "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-2021-34409", "datePublished": "2021-09-27T13:55:40.225Z", "dateReserved": "2021-06-09T00:00:00.000Z", "dateUpdated": "2024-09-16T23:46:09.631Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }