CVE-2021-20123

2021-10-1300:00:00

attackerkb.com

cve-2021-20123

draytek vigorconnect

file download functionality

downloadfileservlet endpoint

unauthenticated attacker

arbitrary files

root privileges

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

6.8

Confidence

Low

JSON

A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.

Recent assessments:

Assessed Attacker Value: 0
Assessed Attacker Value: 0Assessed Attacker Value: 0