CVE-2025-27939: Growatt Cloud portal Authorization Bypass Through User-Controlled Key
First published: Tue Apr 15 2025(Updated: )
An attacker can change registered email addresses of other users and take over arbitrary accounts.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Growatt Cloud Portal |
Remedy
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.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
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.
How do I fix CVE-2025-27939?
To fix CVE-2025-27939, update the Growatt Cloud Portal to version 3.6.0 or later.
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.
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.
Can CVE-2025-27939 be exploited remotely?
Yes, CVE-2025-27939 can be exploited remotely by attackers without physical access.
- agent/references
- agent/weakness
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/title
- agent/first-publish-date
- agent/description
- agent/severity
- agent/source
- agent/author
- agent/event
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/softwarecombine
- agent/tags
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/: growatt
- canonical/growatt cloud portal