# CVE-2019-13529: Cross-site request forgery in Sunny WebBox

> An attacker can trick an authenticated operator into clicking a malicious link to perform unauthorized actions on the Sunny WebBox device.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 9 Oct 2019
- **Updated:** 13 Jul 2026
- **Also known as:** GHSA-wgp7-3rwh-vpgw

## What is CVE-2019-13529?

CVE-2019-13529 is a high-severity vulnerability in SMA Solar Technology AG Sunny WebBox, published on 9 Oct 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

An attacker could send a malicious link to an authenticated operator, which may allow remote attackers to perform actions with the permissions of the user on the Sunny WebBox Firmware Version 1.6 and prior. This device uses IP addresses to maintain communication after a successful login, which would increase the ease of exploitation.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2019-13529?

It affects 1 product.


Products: Sma Sunny Webbox Firmware.

## How do I fix CVE-2019-13529?

No fix has been published for CVE-2019-13529 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-13529 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-13529 exists.

Public exploit code:

- SMA Solar Technology AG Sunny WebBox device - 1.6 - Cross-Site Request Forgery (exploitdb)

## Other vulnerabilities in SMA Solar Technology AG Sunny WebBox

- [CVE-2024-1890](https://insights.sbomify.com/CVE-2024-1890/): Clickjacking vulnerability in Sunny Webbox (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-13529 and fix it if it is affected.

What it is: CVE-2019-13529 is a high-severity vulnerability in SMA Solar Technology AG Sunny WebBox, published on 9 Oct 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-13529 exists.

Affected product: SMA Solar Technology AG Sunny WebBox. 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-2019-13529/ (Markdown: https://insights.sbomify.com/CVE-2019-13529/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-13529
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-13529
- OSV: https://osv.dev/vulnerability/CVE-2019-13529

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-13529/
Summaries are generated and may contain mistakes; the official description above is the record.