CVE-2021-34421

{"containers": {"cna": {"affected": [{"product": "Keybase Client for Android", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "5.8.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Keybase Client for iOS", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "5.8.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Olivia O'Hara, John Jackson, Jackson Henry, and Robert Willis"}], "datePublic": "2021-11-12T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The Keybase Client for Android before version 5.8.0 and the Keybase Client for iOS before version 5.8.0 fails to properly remove exploded messages initiated by a user if the receiving user places the chat session in the background while the sending user explodes the messages. This could lead to disclosure of sensitive information which was meant to be deleted from the customer's device."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Cleartext Storage of Sensitive Information", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-11-11T23:06:56.000Z", "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": "Retained exploded messages in Keybase Clients for Android and iOS", "x_legacyV4Record": {"CVE_data_meta": {"AKA": "Zoom Communications Inc", "ASSIGNER": "security@zoom.us", "DATE_PUBLIC": "2021-11-12T17:00:00.000Z", "ID": "CVE-2021-34421", "STATE": "PUBLIC", "TITLE": "Retained exploded messages in Keybase Clients for Android and iOS"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Keybase Client for Android", "version": {"version_data": [{"version_affected": "<", "version_value": "5.8.0"}]}}, {"product_name": "Keybase Client for iOS", "version": {"version_data": [{"version_affected": "<", "version_value": "5.8.0"}]}}]}, "vendor_name": "Zoom Video Communications Inc"}]}}, "credit": [{"lang": "eng", "value": "Olivia O'Hara, John Jackson, Jackson Henry, and Robert Willis"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Keybase Client for Android before version 5.8.0 and the Keybase Client for iOS before version 5.8.0 fails to properly remove exploded messages initiated by a user if the receiving user places the chat session in the background while the sending user explodes the messages. This could lead to disclosure of sensitive information which was meant to be deleted from the customer's device."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Cleartext Storage of Sensitive Information"}]}]}, "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": "2024-08-04T00:12:50.113Z"}, "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-2021-34421", "datePublished": "2021-11-11T22:58:37.355Z", "dateReserved": "2021-06-09T00:00:00.000Z", "dateUpdated": "2024-09-17T01:41:23.193Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Keybase Client for Android", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "5.8.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Keybase Client for iOS", "vendor": "Zoom Video Communications Inc", "versions": [{"lessThan": "5.8.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@zoom.us"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:keybase:keybase:5.8.0:*:*:*:*:android:*:*", "matchCriteriaId": "B10E64A0-3C0E-4ED3-9978-2DE883191A06", "vulnerable": true}, {"criteria": "cpe:2.3:a:keybase:keybase:5.8.0:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "FC887BBA-4A93-49C7-83F0-F7A5BCD65BA1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Keybase Client for Android before version 5.8.0 and the Keybase Client for iOS before version 5.8.0 fails to properly remove exploded messages initiated by a user if the receiving user places the chat session in the background while the sending user explodes the messages. This could lead to disclosure of sensitive information which was meant to be deleted from the customer's device."}, {"lang": "es", "value": "Keybase Client para Android versiones anteriores a 5.8.0 y Keybase Client para iOS versiones anteriores a 5.8.0 no eliminan correctamente los mensajes explotados iniciados por un usuario si el usuario receptor coloca la sesi\u00f3n de chat en segundo plano mientras el usuario emisor explota los mensajes. Esto podr\u00eda conllevar a una divulgaci\u00f3n de informaci\u00f3n confidencial que deb\u00eda ser eliminada del dispositivo del cliente"}], "id": "CVE-2021-34421", "lastModified": "2026-06-17T03:55:49.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "security@zoom.us", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-11T23:15:09.997", "references": [{"source": "security@zoom.us", "tags": ["Third Party Advisory"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://explore.zoom.us/en/trust/security/security-bulletin"}], "sourceIdentifier": "security@zoom.us", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-459"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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