CVE-2021-20125

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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

3.95% chance of exploitation in the next 30 days, 90th percentile

Published

2021-10-13

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://www.tenable.com/security/research/tra-2021-42

References

• CVE Record
• NVD entry

Related

• CVE-2021-20124
• CVE-2021-20126
• CVE-2021-20123
• CVE-2021-20127
• CVE-2021-20122
• CVE-2021-20128