{"schemaVersion":3,"id":"CVE-2019-3566","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A bug in WhatsApp for Android's messaging logic would potentially allow a malicious individual who has taken over over a WhatsApp user's account to recover previously sent messages. This behavior requires independent knowledge of metadata for previous messages, which are not available publicly. This issue affects WhatsApp for Android 2.19.52 and 2.19.54 - 2.19.103, as well as WhatsApp Business for Android starting in v2.19.22 until v2.19.38.","dates":{"published":"2019-05-10T20:58:02.000Z","modified":"2024-08-04T19:12:09.532Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.9,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.9,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01067,"percentile":0.643,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01067},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01067,"percentile":0.643}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01067,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01067,"percentile":0.643}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-284","name":"Improper Access Control","description":"The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.","type":"weakness","status":"Incomplete","abstraction":"Pillar","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/284.html"}],"affected":[{"vendor":"facebook","product":"whatsapp business for android","name":"WhatsApp Business for Android","label":"whatsapp business for android","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.19.38","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2.19.22, < unspecified","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.19.38 | ≥ 2.19.22, < unspecified","eol":null,"hubHref":"/vendor/facebook/whatsapp_business_for_android"},{"vendor":"facebook","product":"whatsapp for android","name":"WhatsApp for Android","label":"whatsapp for android","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.19.104","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2.19.54, < unspecified","noFixRecorded":false,"fixedIn":null},{"text":"2.19.52","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.19.104 | ≥ 2.19.54, < unspecified | 2.19.52","eol":null,"hubHref":"/vendor/facebook/whatsapp_for_android"},{"vendor":"whatsapp","product":"whatsapp","name":"whatsapp","label":"whatsapp","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.19.54, ≤ 2.19.103","noFixRecorded":false,"fixedIn":null},{"text":"2.19.52","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.19.54, ≤ 2.19.103 | 2.19.52","eol":null,"hubHref":"/vendor/whatsapp/whatsapp"},{"vendor":"whatsapp","product":"whatsapp_business","name":"whatsapp business","label":"whatsapp_business","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.19.22, ≤ 2.19.38","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.19.22, ≤ 2.19.38","eol":null,"hubHref":"/vendor/whatsapp/whatsapp_business"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.facebook.com/security/advisories/cve-2019-3566","label":"www.facebook.com/security/advisories/cve-2019-3566","hostname":"www.facebook.com","tags":["X Refsource MISC","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2019-05-10T20:58:02.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T19:12:09.532Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":24,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T04:35:08.964Z","stale":false,"partial":false}}