# CVE-2023-28897: Hard-coded password for UDS services

> Attackers can access critical UDS services in MIB3 infotainment units using hardcoded credentials, potentially compromising vehicle data and functions.

- **Severity:** Medium 4.0 (`CVSS:3.1/AV:L/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:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Jan 2024
- **Updated:** 17 Jun 2025
- **Also known as:** GHSA-3wxj-wj2j-9jpg

## What is CVE-2023-28897?

CVE-2023-28897 is a medium-severity vulnerability in JOYNEXT MIB3 Infotainment Unit, published on 12 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

The secret value used for access to critical UDS services of the MIB3 infotainment is hardcoded in the firmware.

Vulnerability discovered on Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2023-28897?

It affects 1 product.


Products: Skoda-Auto Superb 3 Firmware.

## How do I fix CVE-2023-28897?

No fix has been published for CVE-2023-28897 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28897 being exploited?

There is no known exploitation of CVE-2023-28897 in the wild and no public exploit code.

## Other vulnerabilities in JOYNEXT MIB3 Infotainment Unit

- [CVE-2023-28898](https://insights.sbomify.com/CVE-2023-28898/): Head Unit Denial-of-Service via Apple CarPlay service (medium 5.3)
- [CVE-2023-28899](https://insights.sbomify.com/CVE-2023-28899/): Denial of Service via ECU reset service (medium 4.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28897 and fix it if it is affected.

What it is: CVE-2023-28897 is a medium-severity vulnerability in JOYNEXT MIB3 Infotainment Unit, published on 12 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-28897 in the wild and no public exploit code.

Affected product: JOYNEXT MIB3 Infotainment Unit. 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-2023-28897/ (Markdown: https://insights.sbomify.com/CVE-2023-28897/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28897
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28897
- OSV: https://osv.dev/vulnerability/CVE-2023-28897

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-28897/
Summaries are generated and may contain mistakes; the official description above is the record.