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ioLogik 4000 Series Multiple Web Server Vulnerabilities and Improper Access Control Vulnerability

Published: August 24, 2023

This Alert Is From MOXA

As Industrial IoT (IIoT) adoption continues to proliferate, cybersecurity has become one of the top priorities. The Moxa Product Security Incident Response Team (PSIRT) takes a proactive approach to protect products from cybersecurity vulnerabilities. Moxa PSIRT investigates all reports of vulnerabilities that could potentially affect Moxa products. Moxa created a vulnerability management policy to provide guidance and information to our customers in the event of a reported vulnerability. The management policy ensures that Moxa’s customers have steady, unambiguous resources to help them understand how Moxa resolves or mitigates reported vulnerabilities. For any queries, please email [email protected].

ioLogik 4000 Series (ioLogik E4200) firmware v1.6 and prior is affected by multiple web server vulnerabilities and an improper access control vulnerability.  

Web Server Vulnerabilities 

The web server vulnerabilities arise from improper configuration or implementation of HTTP headers. Attackers could exploit the vulnerabilities to compromise the web service. 

Improper Access Control Vulnerability 

The improper access control vulnerability results from improper control of an existing unauthorized service. Attackers could exploit the vulnerability by connecting to the unauthorized service. Successful exploitation of the vulnerability could lead to unauthorized access. 

The identified vulnerability types and potential impacts are shown below: 

Item Vulnerability Type Impact
1
Existing unauthorized service 
(CWE-284 Improper Access Control） 
CVE-2023-4227 
 Attackers can gain unauthorized access 
2
Session cookie attributes not set properly 
(CWE-1004: Sensitive Cookie Without 'HttpOnly' Flag） 
CVE-2023-4228 
 Attackers can compromise the web service 
3
Session headers not implemented. 
(CWE-1021: Improper Restriction of Rendered UI Layers or Frames） 
CVE-2023-4229 
 Attackers can compromise the web service 
4
Server banner information disclosure 
(CWE-200: Exposure of Sensitive Information to an Unauthorized Actor） 
CVE-2023-4230 
 Attackers can compromise the web service 

 

This alert has come from: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230310-iologik-4000-series-multiple-web-server-vulnerabilities-and-improper-access-control-vulnerability