{"schemaVersion":3,"id":"CVE-2021-42913","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a list of SMB users and cleartext passwords by reading the HTML source code. Authentication is not required.","dates":{"published":"2021-12-20T08:23:40.000Z","modified":"2024-08-04T03:47:12.377Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/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":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/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":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01848,"percentile":0.78765,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.059000000000000025,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01789},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01848,"percentile":0.78765}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01789,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01848,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01848,"percentile":0.78765}]},"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-522","name":"Insufficiently Protected Credentials","description":"The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/522.html"}],"affected":[{"vendor":"samsung","product":"syncthru_web_service","name":"syncthru web service","label":"syncthru_web_service","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/samsung/syncthru_web_service"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb","label":"security.samsungmobile.com/securityUpdate.smsb","hostname":"security.samsungmobile.com","tags":["X Refsource MISC","Vendor Advisory"]},{"url":"https://medium.com/%40windsormoreira/samsung-printer-scx-6x55x-improper-access-control-cve-2021-42913-bd50837e5e9a","label":"medium.com/%40windsormoreira/…","hostname":"medium.com","tags":["X Refsource MISC"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-12-20T08:23:40.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T03:47:12.377Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T14:57:47.818Z","stale":false,"partial":false}}