Vulnerability Report

CVE-2021-20125

RCE

Title: Arbitrary File Upload and Directory Traversal in Draytek VigorConnect

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2021-20125.

CWE Category CWE-22

Published Date Oct 13, 2021

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

3.82%

Vulnerability Summary

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.

Impacted Vendors

draytek 1

Reference Links

https://www.tenable.com/security/research/tra-2021-42 https://www.tenable.com/security/research/tra-2021-42

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity HIGH

10.0

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20125 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

October 13, 2021 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.