CVE-2021-30480

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Zoom Chat through 2021-04-09 on Windows and macOS allows certain remote authenticated attackers to execute arbitrary code without user interaction. An attacker must be within the same organization, or an external party who has been accepted as a contact. NOTE: this is specific to the Zoom Chat software, which is different from the chat feature of the Zoom Meetings and Zoom Video Webinars software."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-08-23T17:16:29.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/"}, {"tags": ["x_refsource_MISC"], "url": "https://twitter.com/thezdi/status/1379855435730149378"}, {"tags": ["x_refsource_MISC"], "url": "https://twitter.com/thezdi/status/1379859851061395459"}, {"tags": ["x_refsource_MISC"], "url": "https://zoom.us/feature/messaging"}, {"tags": ["x_refsource_MISC"], "url": "https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own"}, {"tags": ["x_refsource_MISC"], "url": "https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/"}, {"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-971/"}, {"tags": ["x_refsource_MISC"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin/"}, {"tags": ["x_refsource_MISC"], "url": "https://sector7.computest.nl/post/2021-08-zoom/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-30480", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Zoom Chat through 2021-04-09 on Windows and macOS allows certain remote authenticated attackers to execute arbitrary code without user interaction. An attacker must be within the same organization, or an external party who has been accepted as a contact. NOTE: this is specific to the Zoom Chat software, which is different from the chat feature of the Zoom Meetings and Zoom Video Webinars software."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/", "refsource": "MISC", "url": "https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/"}, {"name": "https://twitter.com/thezdi/status/1379855435730149378", "refsource": "MISC", "url": "https://twitter.com/thezdi/status/1379855435730149378"}, {"name": "https://twitter.com/thezdi/status/1379859851061395459", "refsource": "MISC", "url": "https://twitter.com/thezdi/status/1379859851061395459"}, {"name": "https://zoom.us/feature/messaging", "refsource": "MISC", "url": "https://zoom.us/feature/messaging"}, {"name": "https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own", "refsource": "MISC", "url": "https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own"}, {"name": "https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/", "refsource": "MISC", "url": "https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/"}, {"name": "https://www.zerodayinitiative.com/advisories/ZDI-21-971/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-971/"}, {"name": "https://explore.zoom.us/en/trust/security/security-bulletin/", "refsource": "MISC", "url": "https://explore.zoom.us/en/trust/security/security-bulletin/"}, {"name": "https://sector7.computest.nl/post/2021-08-zoom/", "refsource": "MISC", "url": "https://sector7.computest.nl/post/2021-08-zoom/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:32:41.055Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://twitter.com/thezdi/status/1379855435730149378"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://twitter.com/thezdi/status/1379859851061395459"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://zoom.us/feature/messaging"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-971/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://sector7.computest.nl/post/2021-08-zoom/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-30480", "datePublished": "2021-04-09T22:03:47.000Z", "dateReserved": "2021-04-09T00:00:00.000Z", "dateUpdated": "2024-08-03T22:32:41.055Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zoom:chat:*:*:*:*:*:*:*:*", "matchCriteriaId": "319ECBD3-CE8D-461B-A0C8-B1586E8F9B29", "versionEndIncluding": "2021-04-09", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Zoom Chat through 2021-04-09 on Windows and macOS allows certain remote authenticated attackers to execute arbitrary code without user interaction. An attacker must be within the same organization, or an external party who has been accepted as a contact. NOTE: this is specific to the Zoom Chat software, which is different from the chat feature of the Zoom Meetings and Zoom Video Webinars software."}, {"lang": "es", "value": "Zoom Chat versi\u00f3n hasta el 09-04-2021 en Windows y macOS, permite a determinados atacantes autenticados remotamente ejecutar c\u00f3digo arbitrario sin la interacci\u00f3n del usuario. Un atacante debe pertenecer a la misma organizaci\u00f3n o una parte externa que haya sido aceptada como contacto. NOTA: esto es espec\u00edfico del software Zoom Chat, que es diferente de la funcionalidad de chat del software Zoom Meetings y Zoom Video Webinars"}], "id": "CVE-2021-30480", "lastModified": "2026-06-17T03:50:19.193", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 6.0, "source": "cve@mitre.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": 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"https://explore.zoom.us/en/trust/security/security-bulletin/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sector7.computest.nl/post/2021-08-zoom/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://twitter.com/thezdi/status/1379855435730149378"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://twitter.com/thezdi/status/1379859851061395459"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Press/Media Coverage", "Third Party Advisory"], "url": "https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Press/Media Coverage", "Third Party Advisory"], "url": "https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-971/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Vendor Advisory"], "url": "https://zoom.us/feature/messaging"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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