SB2021101348 - Multiple path traversal vulnerabilities in DrayTek VigorConnect

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Main Vulnerability Database SB2021101348

SB2021101348 - Multiple path traversal vulnerabilities in DrayTek VigorConnect

Published: October 13, 2021 Updated: September 3, 2024

Security Bulletin ID SB2021101348
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Path traversal (CVE-ID: CVE-2021-20124)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the file download functionality of the WebServlet endpoint. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


2) Path traversal (CVE-ID: CVE-2021-20123)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the file download functionality of the DownloadFileServlet endpoint. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Install update from vendor's website.

References