Emerson Smart Wireless Gateway 1420 4.6.59 Missing Authentication

`Title: Missing access controls  
Product: Emerson Smart Wireless Gateway  
Vendor Homepage: http://emerson.com  
Vulnerable Version: 1420 4.6.59  
CVE Number: CVE-2020-19419  
Authors: Harsha Bhat, Anish Mitra and Unmesh Guragol  
Timeline:  
2019-08-02 Disclosed to the vendor  
2019-08-22 Vendor confirmed that the vulnerability was identified  
internally and a fix was released in the latest version of firmware  
  
1. Vulnerability Description  
  
Incorrect Access Control in Emerson Smart Wireless Gateway 1420 4.6.59  
allows remote attackers to obtain sensitive information (device log files)  
on the administration console.  
  
2. PoC  
  
The PoC explained below is to obtain device logs without authentication.  
The following requests will retrieve device log files stored on the device.  
  
Access the following URL without authenticating into the administrator  
console:  
https://192.168.0.1/servlet/hartserver.txt  
  
  
3. Solution  
  
The vendor provides an updated version of firmware which should be  
installed immediately.  
  
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`