CVE-2025-27939: Growatt Cloud portal Authorization Bypass Through User-Controlled Key
Published Apr 15, 2025
·Updated
An attacker can change registered email addresses of other users and take over arbitrary accounts.
Affected Software
2 affected components
: Growatt Growatt cloud portal: Versions 3.6.0 and prior
Growatt Cloud portal<=3.6.0
Remediation
Information
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.
Event History
Apr 15, 2025
CVE Published
via MITRE·08:59 PM
Data Sourced
via MITRE·08:59 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-27939?
CVE-2025-27939 is classified as a high severity vulnerability due to its potential to facilitate account takeover.
2
How do I fix CVE-2025-27939?
To fix CVE-2025-27939, update the Growatt Cloud Portal to version 3.6.0 or later.
3
What type of vulnerability is CVE-2025-27939?
CVE-2025-27939 is an account takeover vulnerability that allows attackers to change email addresses of other users.
4
Who is affected by CVE-2025-27939?
Users of the Growatt Cloud Portal versions prior to 3.6.0 are affected by CVE-2025-27939.
5
Can CVE-2025-27939 be exploited remotely?
Yes, CVE-2025-27939 can be exploited remotely by attackers without physical access.