{"schemaVersion":3,"id":"CVE-2021-3898","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Versions of Motorola Ready For and Motorola Device Help Android applications prior to 2021-04-08 do not properly verify the server certificate which could lead to the communication channel being accessible by an attacker.","dates":{"published":"2022-04-22T20:30:35.000Z","modified":"2024-08-03T17:09:09.607Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.8,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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":0.00458,"percentile":0.38644,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00458},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00458,"percentile":0.38644}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00458,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00458,"percentile":0.38644}]},"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-295","name":"Improper Certificate Validation","description":"The product does not validate, or incorrectly validates, a certificate.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/295.html"}],"affected":[{"vendor":"motorola","product":"device_help","name":"device help","label":"device_help","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 2021-04-08","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2021-04-08","eol":null,"hubHref":"/vendor/motorola/device_help"},{"vendor":"motorola","product":"device help android app","name":"Device Help Android App","label":"device help android app","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"various","noFixRecorded":false,"fixedIn":null}],"versionsText":"various","eol":null,"hubHref":"/vendor/motorola/device_help_android_app"},{"vendor":"motorola","product":"ready_for","name":"ready for","label":"ready_for","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 2021-04-08","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2021-04-08","eol":null,"hubHref":"/vendor/motorola/ready_for"},{"vendor":"motorola","product":"ready for android app","name":"Ready For Android App","label":"ready for android app","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"various","noFixRecorded":false,"fixedIn":null}],"versionsText":"various","eol":null,"hubHref":"/vendor/motorola/ready_for_android_app"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-58311","label":"support.lenovo.com/us/en/product_security/LEN-58311","hostname":"support.lenovo.com","tags":["X Refsource MISC","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2022-04-22T20:30:35.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T17:09:09.607Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":27,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T13:26:29.177Z","stale":false,"partial":false}}