CVE-2021-41298 : Security Advisory and Response
Learn about CVE-2021-41298, a vulnerability in ECOA BAS controller allowing attackers to execute privileged functions. Find mitigation steps and impact details here.
ECOA BAS controller is vulnerable to insecure direct object references that occur when the application provides direct access to objects based on user-supplied input. Attackers with general user's privilege can bypass authorization and execute privileged functionalities.
Understanding CVE-2021-41298
What is CVE-2021-41298?
CVE-2021-41298 is a vulnerability in ECOA BAS controller that allows attackers to bypass authorization and access hidden resources, leading to the execution of privileged functionalities.
The Impact of CVE-2021-41298
This vulnerability has a CVSS base score of 8.8 (High), posing a significant risk:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2021-41298
Vulnerability Description
The vulnerability involves insecure direct object references in the ECOA BAS controller, enabling unauthorized access to system resources.
Affected Systems and Versions
The following products are affected:
- ECS Router Controller ECS (FLASH)
- RiskBuster Terminator E6L45
- RiskBuster System RB 3.0.0
- RiskBuster System TRANE 1.0
- Graphic Control Software
- SmartHome II E9246
- RiskTerminator
Exploitation Mechanism
Attacks leverage user-supplied input to gain unauthorized access to hidden resources and execute privileged functionalities.
Mitigation and Prevention
Immediate Steps to Take
- Contact tech support from ECOA for assistance.
Long-Term Security Practices
- Regularly update and patch ECOA BAS controller software.
- Implement access controls to restrict unauthorized access.
Patching and Updates
Ensure timely installation of software patches and updates.