Growatt Cloud Applications Authorization Bypass Vulnerability Allowing Plant Name Retrieval

An authorization bypass vulnerability has been identified in Growatt Cloud Applications, specifically in the cloud portal version 3.6.0 and prior. This vulnerability allows authenticated attackers to retrieve any plant name by knowing the corresponding plant ID.

Impact

Exploitation of this vulnerability could lead to unauthorized access to plant information, allowing attackers to obtain sensitive data related to plant management and operations.

Remediation

Growatt has reported that the cloud-based vulnerabilities were patched and no user action is needed. Users are advised to update all devices to the latest firmware version when available, use strong passwords, enable multi-factor authentication where applicable, and report any security concerns to Growatt's service email. CISA also recommends minimizing network exposure for control system devices, using firewalls to isolate control system networks from business networks, and employing secure remote access methods like VPNs.