CVE-2025-27938 Growatt Cloud portal Authorization Bypass Through User-Controlled Key

Medium 6.9 Published 15 Apr 2025 Updated 16 Apr 2025

Unauthenticated attackers can access restricted smart device collection information via an authorization bypass in the Growatt Cloud portal.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-27938?

CVE-2025-27938 is a medium-severity missing authorization vulnerability in Growatt Cloud portal, published on 15 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated attackers can obtain restricted information about a user's smart device collections (i.e., "rooms").

Weakness: CWE-639

Which versions are affected by CVE-2025-27938?

It affects 1 product.

Products include Growatt Cloud Portal.

How do I fix CVE-2025-27938?

No fix has been published for CVE-2025-27938 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-27938 being exploited?

There is no known exploitation of CVE-2025-27938 in the wild and no public exploit code.

Sources

Also known as GHSA-j9qf-mqgv-w6rw.