CVE-2021-20125

An arbitrary file upload and directory traversal vulnerability exists in the file upload functionality of DownloadFileServlet in Draytek VigorConnect 1.6.0-B3. An unauthenticated attacker could leverage this vulnerability to upload files to any location on the target operating system with root privileges.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.tenable.com/security/research/tra-2021-42	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:draytek:vigorconnect:1.6.0:beta3:*:*:*:*:*:*

History

19 Oct 2021, 16:53

Type	Values Removed	Values Added
References	~~(MISC) https://www.tenable.com/security/research/tra-2021-42 -~~	(MISC) https://www.tenable.com/security/research/tra-2021-42 - Exploit, Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 10.0 v3 : 9.8
CWE		CWE-22 CWE-434
CPE		cpe:2.3:a:draytek:vigorconnect:1.6.0:beta3::::::

13 Oct 2021, 17:37

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-13 16:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-20125

Mitre link : CVE-2021-20125

CVE.ORG link : CVE-2021-20125

JSON object : View

Products Affected

draytek

vigorconnect

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-434

Unrestricted Upload of File with Dangerous Type

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