CVE-2021-41293 : Security Advisory and Response
Learn about CVE-2021-41293, a high-severity path traversal vulnerability in ECOA BAS controller allowing remote arbitrary file disclosure. Find mitigation steps and affected systems.
ECOA BAS controller suffers from a path traversal vulnerability, allowing unauthenticated attackers to disclose arbitrary files and sensitive information.
Understanding CVE-2021-41293
What is CVE-2021-41293?
CVE-2021-41293 is a path traversal vulnerability in ECOA BAS controller, enabling attackers to remotely access and disclose arbitrary files on the affected device.
The Impact of CVE-2021-41293
This vulnerability has a CVSS base score of 7.5, indicating a high severity level. It poses a significant risk to the confidentiality of sensitive information on the compromised systems.
Technical Details of CVE-2021-41293
Vulnerability Description
The vulnerability allows unauthenticated attackers to exploit a specific POST parameter, leading to arbitrary file disclosure on the ECOA BAS controller.
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 can manipulate the POST parameter to traverse the system directories and access sensitive files remotely.
Mitigation and Prevention
Immediate Steps to Take
- Contact tech support from ECOA for assistance in addressing the vulnerability promptly.
Long-Term Security Practices
- Regularly update and patch the affected systems to prevent future exploitation.
Patching and Updates
It is crucial to apply any security patches or updates provided by ECOA to mitigate the risk of path traversal vulnerabilities.