Arbitrary File Upload and Directory Traversal Vulnerability in Draytek VigorConnect
CVE-2021-20125

9.8CRITICAL

Key Information:

Vendor

Draytek
Status
Draytek Vigorconnect
Vendor
CVE Published:
13 October 2021

What is 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. This flaw allows unauthenticated attackers to upload malicious files to any location on the target operating system with root privileges, potentially leading to further exploitation of the system.

Affected Version(s)

Draytek VigorConnect 1.6.0-B3

References

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

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.