{"cve":"CVE-2021-42913","nvd":{"published":"2021-12-20T09:15:06.640","modified":"2026-06-17T04:10:16.140","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-522"],"references":["https://medium.com/%40windsormoreira/samsung-printer-scx-6x55x-improper-access-control-cve-2021-42913-bd50837e5e9a","https://security.samsungmobile.com/securityUpdate.smsb","https://medium.com/%40windsormoreira/samsung-printer-scx-6x55x-improper-access-control-cve-2021-42913-bd50837e5e9a","https://security.samsungmobile.com/securityUpdate.smsb"],"products":["samsung:syncthru_web_service"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-42913","score":0.01848,"percentile":0.79084,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}