# CVE-2023-28900: Nickname Disclosure on the Backend Automotive Server

> Attackers can obtain user nicknames and identifiers from the Skoda Connect cloud by querying arbitrary vehicle VINs due to broken access control.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Jan 2024
- **Updated:** 17 Jun 2025
- **Also known as:** GHSA-rw5p-hq5q-gf73

## What is CVE-2023-28900?

CVE-2023-28900 is a medium-severity vulnerability in Škoda Connect, published on 18 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Skoda Automotive cloud contains a Broken Access Control vulnerability, allowing to obtain nicknames and other user identifiers of Skoda Connect service users by specifying an arbitrary vehicle VIN number.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2023-28900?

It affects 1 product.


Products: Skoda-Auto Skoda Connect.

## How do I fix CVE-2023-28900?

No fix has been published for CVE-2023-28900 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28900 being exploited?

There is no known exploitation of CVE-2023-28900 in the wild and no public exploit code.

## Other vulnerabilities in Škoda Connect

- [CVE-2023-28901](https://insights.sbomify.com/CVE-2023-28901/): Trip Data Disclosure from Backend (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28900 and fix it if it is affected.

What it is: CVE-2023-28900 is a medium-severity vulnerability in Škoda Connect, published on 18 Jan 2024. 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-2023-28900 in the wild and no public exploit code.

Affected product: Škoda Connect. 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-2023-28900/ (Markdown: https://insights.sbomify.com/CVE-2023-28900/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28900
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28900
- OSV: https://osv.dev/vulnerability/CVE-2023-28900

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-28900/
Summaries are generated and may contain mistakes; the official description above is the record.