CVE-2020-4075

{"containers": {"cna": {"affected": [{"product": "electron", "vendor": "electron", "versions": [{"status": "affected", "version": ">= 9.0.0-beta.0, <= 9.0.0-beta.20"}, {"status": "affected", "version": ">= 8.0.0, < 8.2.4"}, {"status": "affected", "version": "< 7.2.4"}]}], "descriptions": [{"lang": "en", "value": "In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, arbitrary local file read is possible by defining unsafe window options on a child window opened via window.open. As a workaround, ensure you are calling `event.preventDefault()` on all new-window events where the `url` or `options` is not something you expect. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-552", "description": "{\"CWE-552\":\"Files or Directories Accessible to External Parties\"}", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-07-07T00:05:28.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/electron/electron/security/advisories/GHSA-f9mq-jph6-9mhm"}], "source": {"advisory": "GHSA-f9mq-jph6-9mhm", "discovery": "UNKNOWN"}, "title": "Arbitrary file read via window-open IPC in Electron", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-4075", "STATE": "PUBLIC", "TITLE": "Arbitrary file read via window-open IPC in Electron"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "electron", "version": {"version_data": [{"version_value": ">= 9.0.0-beta.0, <= 9.0.0-beta.20"}, {"version_value": ">= 8.0.0, < 8.2.4"}, {"version_value": "< 7.2.4"}]}}]}, "vendor_name": "electron"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, arbitrary local file read is possible by defining unsafe window options on a child window opened via window.open. As a workaround, ensure you are calling `event.preventDefault()` on all new-window events where the `url` or `options` is not something you expect. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "{\"CWE-552\":\"Files or Directories Accessible to External Parties\"}"}]}]}, "references": {"reference_data": [{"name": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824", "refsource": "MISC", "url": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824"}, {"name": "https://github.com/electron/electron/security/advisories/GHSA-f9mq-jph6-9mhm", "refsource": "CONFIRM", "url": "https://github.com/electron/electron/security/advisories/GHSA-f9mq-jph6-9mhm"}]}, "source": {"advisory": "GHSA-f9mq-jph6-9mhm", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T07:52:20.843Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/electron/electron/security/advisories/GHSA-f9mq-jph6-9mhm"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-4075", "datePublished": "2020-07-07T00:05:28.000Z", "dateReserved": "2019-12-30T00:00:00.000Z", "dateUpdated": "2024-08-04T07:52:20.843Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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As a workaround, ensure you are calling `event.preventDefault()` on all new-window events where the `url` or `options` is not something you expect. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4."}, {"lang": "es", "value": "En Electron antes de las versiones 7.2.4, 8.2.4 y 9.0.0-beta21, una lectura arbitraria de archivos locales es posible al definir opciones de ventana no seguras en una ventana secundaria abierta por medio de window.open. Como soluci\u00f3n alternativa, aseg\u00farense de llamar a la funci\u00f3n \"event.preventDefault()\" en todos los eventos de ventanas nuevas donde la \"url\" u \"options\" no es algo que se espera. Esto es corregido en las versiones 9.0.0-beta.21, 8.2.4 y 7.2.4"}], "id": "CVE-2020-4075", "lastModified": "2026-06-17T03:19:31.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-07-07T00:15:10.513", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/electron/electron/security/advisories/GHSA-f9mq-jph6-9mhm"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/electron/electron/security/advisories/GHSA-f9mq-jph6-9mhm"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.electronjs.org/releases/stable?page=3#release-notes-for-v824"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-552"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-552"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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