An unauthenticated attacker can check the existence of usernames in the system by querying an API.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-11088 An unauthenticated attacker can check the existence of usernames in the system by querying an API.
Fixes

Solution

Growatt reports the cloud-based vulnerabilities were patched and no user action is needed. Additionally, Growatt strongly recommends that their users take proactive steps in securing their devices and take the following actions: * Update all devices to the latest firmware version when available. (Updates are automatic, no user action needed.) * Use strong passwords and enable multi-factor authentication where applicable. * Report any security concerns to Service@Growatt.com. * Stay vigilant. Users and installers should regularly review security settings, follow best practices, and report any unusual activity.


Workaround

No workaround given by the vendor.

History

Fri, 14 Nov 2025 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Growatt
Growatt cloud Portal
CPEs cpe:2.3:a:growatt:cloud_portal:*:*:*:*:*:*:*:*
Vendors & Products Growatt
Growatt cloud Portal

Thu, 17 Apr 2025 08:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 15 Apr 2025 20:30:00 +0000

Type Values Removed Values Added
Description An unauthenticated attacker can check the existence of usernames in the system by querying an API.
Title Growatt Cloud Applications Authorization Bypass Through User-Controlled Key
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2025-04-16T15:10:38.283Z

Reserved: 2025-04-01T17:44:07.318Z

Link: CVE-2025-31933

cve-icon Vulnrichment

Updated: 2025-04-16T15:00:12.213Z

cve-icon NVD

Status : Analyzed

Published: 2025-04-15T21:16:04.063

Modified: 2025-11-14T18:15:08.283

Link: CVE-2025-31933

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.