CVE-2020-24721

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-09-29, as used in COVID-19 applications on Android and iOS. It allows a user to be put in a position where he or she can be coerced into proving or disproving an exposure notification, because of the persistent state of a private framework."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-10-07T14:21:42.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://blog.google/inside-google/company-announcements/update-exposure-notifications"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt"}, {"name": "FULLDISC: 20200929 CVE-2020-24721: Corona Exposure Notifications API: risk of coercion/data leakage [vs]", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "https://seclists.org/fulldisclosure/2020/Sep/53"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-24721", "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": "An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-09-29, as used in COVID-19 applications on Android and iOS. It allows a user to be put in a position where he or she can be coerced into proving or disproving an exposure notification, because of the persistent state of a private framework."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://blog.google/inside-google/company-announcements/update-exposure-notifications", "refsource": "MISC", "url": "https://blog.google/inside-google/company-announcements/update-exposure-notifications"}, {"name": "https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt", "refsource": "MISC", "url": "https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt"}, {"name": "FULLDISC: 20200929 CVE-2020-24721: Corona Exposure Notifications API: risk of coercion/data leakage [vs]", "refsource": "FULLDISC", "url": "https://seclists.org/fulldisclosure/2020/Sep/53"}, {"name": "http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:19:09.329Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.google/inside-google/company-announcements/update-exposure-notifications"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt"}, {"name": "FULLDISC: 20200929 CVE-2020-24721: Corona Exposure Notifications API: risk of coercion/data leakage [vs]", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "https://seclists.org/fulldisclosure/2020/Sep/53"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-24721", "datePublished": "2020-09-30T17:43:01.000Z", "dateReserved": "2020-08-27T00:00:00.000Z", "dateUpdated": "2024-08-04T15:19:09.329Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"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:apple:exposure_notifications:*:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "CA22CE37-087B-4D32-AC82-13B37111FEE6", "versionEndIncluding": "1.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:google:exposure_notifications:*:*:*:*:*:android:*:*", "matchCriteriaId": "A166EFE6-E9AC-43DA-8762-1E31654FD6DF", "versionEndIncluding": "1.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-09-29, as used in COVID-19 applications on Android and iOS. It allows a user to be put in a position where he or she can be coerced into proving or disproving an exposure notification, because of the persistent state of a private framework."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en el protocolo GAEN (alias Google/Apple Exposure Notifications) hasta el 29 de septiembre de 2020, tal como se utiliza en las aplicaciones COVID-19 en Android e iOS. Permite poner a un usuario en una posici\u00f3n en la que puede ser coaccionado para probar o refutar una notificaci\u00f3n de exposici\u00f3n, debido al estado persistente de un marco privado"}], "id": "CVE-2020-24721", "lastModified": "2026-06-17T03:06:02.097", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 3.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-09-30T18:15:25.193", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://blog.google/inside-google/company-announcements/update-exposure-notifications"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/fulldisclosure/2020/Sep/53"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://blog.google/inside-google/company-announcements/update-exposure-notifications"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/minvws/nl-covid19-notification-app-coordination/blob/master/CVEs/CVE-2020-24721.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/fulldisclosure/2020/Sep/53"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}