VULNERABILITY INTELLIGENCE

CVE-2021-20125

CVSS score9.8 CRITICAL
EPSS probability3.95%
CISA KEVNot currently listed
Published2021-10-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An arbitrary file upload and directory traversal vulnerability exists in the file upload functionality of DownloadFileServlet in Draytek VigorConnect 1.6.0-B3. An unauthenticated attacker could leverage this vulnerability to upload files to any location on the target operating system with root privileges.

Weakness classification

  • nvd@nist.gov: CWE-22

Primary references