CVE-2020-25753 : Security Advisory and Response
Discover the security issue in Enphase Envoy R3.x and D4.x devices with v3 software. Learn how the default admin password can be accessed by unauthorized users and the steps to mitigate the risk.
Enphase Envoy R3.x and D4.x devices with v3 software have a security issue where the default admin password is the last 6 digits of the serial number, which can be accessed by an unauthenticated user.
Understanding CVE-2020-25753
This CVE identifies a vulnerability in Enphase Envoy devices that could compromise the security of the system.
What is CVE-2020-25753?
The default admin password on Enphase Envoy R3.x and D4.x devices with v3 software is the last 6 digits of the serial number, which can be obtained by an unauthenticated user at /info.xml.
The Impact of CVE-2020-25753
This vulnerability allows unauthorized access to the admin account, potentially leading to unauthorized control and manipulation of the Enphase Envoy device.
Technical Details of CVE-2020-25753
Enphase Envoy R3.x and D4.x devices with v3 software are affected by this security issue.
Vulnerability Description
The default admin password being the last 6 digits of the serial number poses a significant security risk as it can be easily obtained by unauthorized users.
Affected Systems and Versions
- Enphase Envoy R3.x and D4.x devices with v3 software
Exploitation Mechanism
Unauthorized users can retrieve the serial number at /info.xml, enabling them to access the admin account with the default password.
Mitigation and Prevention
It is crucial to take immediate steps to secure Enphase Envoy devices and prevent unauthorized access.
Immediate Steps to Take
- Change the default admin password to a strong, unique one that is not easily guessable or obtained.
- Regularly monitor and restrict access to sensitive device information.
Long-Term Security Practices
- Implement multi-factor authentication for enhanced security.
- Conduct regular security audits and updates to address any vulnerabilities.
- Educate users on best practices for password security and device access.
Patching and Updates
Enphase should release a patch or firmware update that addresses this vulnerability and enforces stronger password policies.