{"cve":"CVE-2021-20124","nvd":{"published":"2021-10-13T16:15:07.397","modified":"2026-06-17T03:33:18.783","status":"Analyzed","description":"A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the WebServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.","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-22"],"references":["https://www.tenable.com/security/research/tra-2021-42","https://www.tenable.com/security/research/tra-2021-42","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-20124"],"products":["draytek:vigorconnect"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-20124","score":0.95917,"percentile":0.99874,"date":"2026-10-31"},"kev":{"cve":"CVE-2021-20124","date_added":"2024-09-03","due_date":"2024-09-24","vendor":"DrayTek","product":"VigorConnect","known_ransomware":false},"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."]}