VDB-184381 · CVE-2021-20125 · tra-2021-42

Draytek VigorConnect 1.6.0-B3 File Upload DownloadFileServlet pathname traversal

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Draytek VigorConnect 1.6.0-B3. Affected is the function DownloadFileServlet of the component File Upload Handler. This manipulation causes pathname traversal. This vulnerability is handled as CVE-2021-20125. There is not any exploit available.

Detailsinfo

A vulnerability was found in Draytek VigorConnect 1.6.0-B3 (Router Operating System). It has been declared as critical. Affected by this vulnerability is the function DownloadFileServlet of the component File Upload Handler. The manipulation with an unknown input leads to a pathname traversal vulnerability. The CWE definition for the vulnerability is CWE-21. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 10/13/2021 as tra-2021-42. The advisory is shared at tenable.com. This vulnerability is known as CVE-2021-20125 since 12/17/2020. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Router Operating System

Vendor

Draytek

Name

VigorConnect

Version

1.6.0-B3

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Pathname traversal
CWE: CWE-21 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
10/13/2021 +299 days 🔍
10/13/2021 +0 days 🔍
10/20/2021 +7 days 🔍

Sourcesinfo

Advisory: tra-2021-42
Status: Not defined

CVE: CVE-2021-20125 (🔍)
GCVE (CVE): GCVE-0-2021-20125
GCVE (VulDB): GCVE-100-184381

Entryinfo

Created: 10/13/2021 21:32
Updated: 10/20/2021 11:10
Changes: 10/13/2021 21:32 (40), 10/20/2021 11:10 (1)
Complete: 🔍
Cache ID: 216::103