Check Point Advisories

Draytek VigorConnect Directory Traversal (CVE-2021-20123)

Check Point Reference: CPAI-2021-0808
Date Published: 11 Nov 2021
Severity: High
Last Updated: Wednesday 04 September, 2024
Source:
Industry Reference:CVE-2021-20123
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Draytek VigorConnect 1.6.0-B3
Vulnerability Description A directory traversal vulnerability exists in Draytek VigorConnect. Successful exploitation of this vulnerability could allow an attacker to access arbitrary files on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Draytek VigorConnect Directory Traversal (CVE-2021-20123) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Draytek VigorConnect Directory Traversal (CVE-2021-20123)

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