# CVE-2025-27929: Growatt Cloud portal Authorization Bypass Through User-Controlled Key

> Unauthenticated attackers can bypass authorization to retrieve full user lists for arbitrary accounts in the Growatt Cloud portal.

- **Severity:** Medium 6.9 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Apr 2025
- **Updated:** 16 Apr 2025
- **Also known as:** GHSA-4gwp-27ph-2qrj

## What is CVE-2025-27929?

CVE-2025-27929 is a medium-severity authentication bypass 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 retrieve full list of users associated with arbitrary accounts.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2025-27929?

It affects 1 product.


Products: Growatt Cloud Portal.

## How do I fix CVE-2025-27929?

No fix has been published for CVE-2025-27929 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-27929 being exploited?

There is no known exploitation of CVE-2025-27929 in the wild and no public exploit code.

## Other vulnerabilities in Growatt Cloud portal

- [CVE-2025-24297](https://insights.sbomify.com/CVE-2025-24297/): Growatt Cloud portal Cross-site Scripting (critical 9.3)
- [CVE-2025-30510](https://insights.sbomify.com/CVE-2025-30510/): Growatt Cloud portal Insufficient Type Distinction (critical 9.3)
- [CVE-2025-30511](https://insights.sbomify.com/CVE-2025-30511/): Growatt Cloud Applications Cross-site Scripting (high 8.7)
- [CVE-2025-24315](https://insights.sbomify.com/CVE-2025-24315/): Growatt Cloud portal Authorization Bypass Through User-Controlled Key (medium 6.9)
- [CVE-2025-24487](https://insights.sbomify.com/CVE-2025-24487/): Growatt Cloud portal Authorization Bypass Through User-Controlled Key (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-27929 and fix it if it is affected.

What it is: CVE-2025-27929 is a medium-severity authentication bypass 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.
Exploitation: There is no known exploitation of CVE-2025-27929 in the wild and no public exploit code.

Affected product: Growatt Cloud portal. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-27929/ (Markdown: https://insights.sbomify.com/CVE-2025-27929/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-27929
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-27929
- OSV: https://osv.dev/vulnerability/CVE-2025-27929

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-27929/
Summaries are generated and may contain mistakes; the official description above is the record.