CVE-2021-41294 : Exploit Details and Defense Strategies
Learn about CVE-2021-41294, a critical path traversal vulnerability in ECOA BAS controllers, allowing remote file deletion. Find mitigation steps and long-term security practices.
ECOA BAS controller suffers from a path traversal vulnerability, allowing unauthenticated attackers to delete arbitrary files and potentially cause denial of service.
Understanding CVE-2021-41294
What is CVE-2021-41294?
CVE-2021-41294 is a path traversal vulnerability affecting ECOA BAS controllers. Attackers can exploit this vulnerability to delete files on the device remotely.
The Impact of CVE-2021-41294
This vulnerability has a CVSS base score of 9.1, making it critical. The attack complexity is low, but the integrity impact is high, potentially leading to a denial of service scenario.
Technical Details of CVE-2021-41294
Vulnerability Description
The vulnerability in ECOA BAS controllers allows attackers to delete arbitrary files by manipulating a specific GET parameter.
Affected Systems and Versions
- 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
Attackers exploit a path traversal vulnerability to remotely delete files on the affected device, impacting its integrity and availability.
Mitigation and Prevention
Immediate Steps to Take
- Contact ECOA tech support for assistance in addressing the vulnerability.
Long-Term Security Practices
- Regularly update and patch the ECOA BAS controller software.
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of path traversal vulnerabilities.