Critical Vulnerabilities Identified in OAS Platform

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Critical Vulnerabilities Identified in OAS Platform

Open Automation Software (OAS) has been identified with vulnerabilities by researchers. These vulnerabilities are getting exploited by the threat actors.

OAS is a platform that allows data connection between Industrial Devices, Internet of Things, Network Points, Custom Application Interfaces, Custom Applications and databases.

Source : Official OAS Site

The above picture represents the overview of an Open Automation Software Platform. This Platform is widely used by Intel, Michelin, Volvo and several other distinguished industries.

As a result, vulnerabilities in this platform can allow a major risk (such as, Sensitive Information Disclosure and Connection Disruption) to the industrial and other sectors.


As reported by Cisco Talos, the most critical flaws are,


  • CVE Score: 9.4
  • Flaw: Improper Authentication vulnerability exists in the REST API Functionality of OAS Platform.
  • Details: A series of HTTP requests can lead to an unauthenticated use of the REST API. REST API  is designed to give programmatic access for making configuration changes and data viewing.


  • CVE Score: 9.1
  • Flaw: Missing Authentication for Critical Function
  • Details:  By sending a series of properly formatted configuration messages to the OAS Platform. It is possible to upload an arbitrary file to any targeted user location.
  • This allows a threat actor to upload new authorized key files to the directory from a remote location.


  • CVE Score: 4.9
  • Flaw: An Information Disclosure Vulnerability existing in OAS Engine Secure_Transfer_Files Function of OAS Platform.


  • CVE Score: 7.5
  • Flaw: An Information Disclosure Vulnerability in OAS Engine Secure_Browse_File Function of OAS Platform.


  • CVE Score: 7.5
  • Flaw: A Clear Text transmission of Sensitive Information Vulnerability in the OAS Engine Configuration Communication Function of OAS Platform.


  • CVE Score: 7.5
  • Flaw: A denial of Service Vulnerability in OAS Engine Secure_Config_Values Function of OAS Platform.

CVE-2022-26303 and CVE-2022-26043

  • CVE Score: 7.5
  • Flaw: An External Configuration Control Vulnerability in the OAS Engine Secure_Add_User Function of OAS Platform.


The Mitigation steps provided by Cisco are,

  • Disable services and closing communication ports.
  • Use a dedicated user account to run the OAS Platform and ensure that user account does not have any more permissions than necessary.
  • Upgrade to the newest version released as soon as possible.

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