Draytek VigorConnect LFI (CVE-2021-20123)

high Nessus Plugin ID 154966

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Synopsis

The web application running on the remote web server is affected by a local file inclusion vulnerability.

Description

A local file inclusion vulnerability exists in Drayteks VigorConnect due to insufficient validation of user supplied paramaters. An unauthenticated, remote attacker can exploit this, via a specially crafted HTTP GET request, to download arbitrary files with root privileges.

Solution

Upgrade to Draytek VigorConnect version 1.6.1 or later

See Also

http://www.nessus.org/u?d457562c

Plugin Details

Severity: High

ID: 154966

File Name: draytek_vigorconnect_cve-2021-20123.nbin

Version: 1.17

Type: remote

Family: Web Servers

Published: 11/8/2021

Updated: 8/15/2022

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: AV:N/AC:L/Au:N/C:C/I:N/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2021-20123

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:draytek:vigorconnect

Required KB Items: installed_sw/Draytek VigorConnect

Exploit Ease: No known exploits are available

Patch Publication Date: 10/7/2020

Vulnerability Publication Date: 10/15/2020

Reference Information

CVE: CVE-2021-20123