SB2025031445 - Multiple vulnerabilities in Sungrow iSolarCloud Android App

Description

This security bulletin contains information about 2 vulnerabilities.

1) Use of hard-coded credentials (CVE-ID: CVE-2024-50688)

CWE-ID: CWE-798 - Use of Hard-coded Credentials

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to the iSolarCloud Android application and the cloud use hard-coded MQTT credentials for exchanging the device telemetry. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.

2) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2024-50684)

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to use of insecure AES key to encrypt client data. A remote attacker can decrypt intercepted communications between the mobile app and iSolarCloud.

Remediation

Install update from vendor's website.

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-25-072-12
• https://en.sungrowpower.com/security-notice-detail-2/6122
• https://en.sungrowpower.com/security-notice-detail-2/6126