#VU96749 Path traversal in VigorConnect - CVE-2021-20124

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Main Vulnerability Database Vulnerabilities #VU96749

#VU96749 Path traversal in VigorConnect - CVE-2021-20124

Published: September 3, 2024


Vulnerability identifier: #VU96749
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2021-20124
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
VigorConnect
Software vendor:
DrayTek Corp.

Description

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.


Remediation

Install update from vendor's website.

External links