{"schemaVersion":3,"id":"CVE-2021-3675","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Improper Input Validation vulnerability in synaTEE.signed.dll of Synaptics Fingerprint Driver allows a local authorized attacker to overwrite a heap tag, with potential loss of confidentiality. This issue affects: Synaptics Synaptics Fingerprint Driver 5.1.xxx.26 versions prior to xxx=340 on x86/64; 5.2.xxxx.26 versions prior to xxxx=3541 on x86/64; 5.2.2xx.26 versions prior to xx=29 on x86/64; 5.2.3xx.26 versions prior to xx=25 on x86/64; 5.3.xxxx.26 versions prior to xxxx=3543 on x86/64; 5.5.xx.1058 versions prior to xx=44 on x86/64; 5.5.xx.1102 versions prior to xx=34 on x86/64; 5.5.xx.1116 versions prior to xx=14 on x86/64; 6.0.xx.1104 versions prior to xx=50 on x86/64; 6.0.xx.1108 versions prior to xx=31 on x86/64; 6.0.xx.1111 versions prior to xx=58 on x86/64.","dates":{"published":"2022-06-16T16:15:00.966Z","modified":"2024-09-16T17:38:29.835Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.1,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.1,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":3.6,"severity":"low","vector":"AV:L/AC:L/Au:N/C:P/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00269,"percentile":0.18005,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0.006000000000000016,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00263},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00269,"percentile":0.18005}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00263,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00269,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00269,"percentile":0.18005}]},"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-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"},{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"synaptics","product":"fingerprint_driver","name":"fingerprint driver","label":"fingerprint_driver","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 5.1.000.26, < 5.1.340.26","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.2.0000.26, < 5.2.3541.26","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.2.200.26, < 5.2.229.26","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.2.300.26, < 5.2.325.26","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.3.0000.26, < 5.3.3543.26","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.5.00.1058, < 5.5.44.1058","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.5.00.1102, < 5.5.34.1102","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.5.00.1116, < 5.5.14.1116","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.0.00.1111, < 6.0.58.1111","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 5.1.000.26, < 5.1.340.26 | ≥ 5.2.0000.26, < 5.2.3541.26 | ≥ 5.2.200.26, < 5.2.229.26 | ≥ 5.2.300.26, < 5.2.325.26 | ≥ 5.3.0000.26, < 5.3.3543.26 | ≥ 5.5.00.1058, < 5.5.44.1058 | ≥ 5.5.00.1102, < 5.5.34.1102 | ≥ 5.5.00.1116, < 5.5.14.1116 | ≥ 6.0.00.1111, < 6.0.58.1111","eol":null,"hubHref":"/vendor/synaptics/fingerprint_driver"},{"vendor":"synaptics","product":"synaptics fingerprint driver","name":"Synaptics Fingerprint Driver","label":"synaptics fingerprint driver","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 5.1.xxx.26, < xxx=340","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.2.xxxx.26, < xxxx=3541","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.2.2xx.26, < xx=29","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.2.3xx.26, < xx=25","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.3.xxxx.26, < xxxx=3543","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.5.xx.1058, < xx=44","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.5.xx.1102, < xx=34","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.5.xx.1116, < xx=14","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.0.xx.1104, < xx=50","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.0.xx.1108, < xx=31","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.0.xx.1111, < xx=58","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 5.1.xxx.26, < xxx=340 | ≥ 5.2.xxxx.26, < xxxx=3541 | ≥ 5.2.2xx.26, < xx=29 | ≥ 5.2.3xx.26, < xx=25 | ≥ 5.3.xxxx.26, < xxxx=3543 | ≥ 5.5.xx.1058, < xx=44 | ≥ 5.5.xx.1102, < xx=34 | ≥ 5.5.xx.1116, < xx=14 | ≥ 6.0.xx.1104, < xx=50 | ≥ 6.0.xx.1108, < xx=31 | ≥ 6.0.xx.1111, < xx=58","eol":null,"hubHref":"/vendor/synaptics/synaptics_fingerprint_driver"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://synaptics.com/sites/default/files/2022-06/fingerprint-driver-SGX-security-brief-2022-06-14.pdf","label":"synaptics.com/sites/default/files/2022-06/fingerprint-driver-SGX-security-brief-2022-06-14.pdf","hostname":"synaptics.com","tags":["X Refsource CONFIRM","Vendor Advisory"]},{"url":"https://support.lenovo.com/us/en/product_security/LEN-68054","label":"support.lenovo.com/us/en/product_security/LEN-68054","hostname":"support.lenovo.com","tags":["X Refsource MISC","Third Party Advisory"]},{"url":"https://support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797","label":"support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797","hostname":"support.hp.com","tags":["X Refsource MISC","Patch","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2022-06-16T16:15:00.966Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T17:38:29.835Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":28,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T00:32:58.638Z","stale":false,"partial":false}}