# CVE-2015-2906: Hardcoded credentials in Mobile Devices (MDI) OBD-II dongles

> Remote attackers can gain unauthorized access to OBD-II dongles by using shared SSH private keys found in other installations.

- **Severity:** Critical 9.0 (`AV:N/AC:L/Au:S/C:C/I:C/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Aug 2015
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-pwmv-666f-8qgp

## What is CVE-2015-2906?

CVE-2015-2906 is a critical vulnerability in Munic Mobile Devices (MDI) OBD-II dongles, published on 23 Aug 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Mobile Devices (aka MDI) C4 OBD-II dongles with firmware 2.x and 3.4.x, as used in Metromile Pulse and other products, store SSH private keys that are the same across different customers' installations, which makes it easier for remote attackers to obtain access by leveraging knowledge of a private key from another installation.

## Which versions are affected by CVE-2015-2906?

It affects 1 product.


Products: Mobile Devices C4 Obd-Ii Dongle Firmware.

## How do I fix CVE-2015-2906?

No fix has been published for CVE-2015-2906 yet. Limit exposure of the affected software until one is available.

## Is CVE-2015-2906 being exploited?

There is no known exploitation of CVE-2015-2906 in the wild and no public exploit code.

## Other vulnerabilities in Munic Mobile Devices (MDI) OBD-II dongles

- [CVE-2015-2907](https://insights.sbomify.com/CVE-2015-2907/): Hardcoded credentials in Mobile Devices (MDI) OBD-II dongles (critical 9.0)
- [CVE-2015-2908](https://insights.sbomify.com/CVE-2015-2908/): Code injection in Mobile Devices (MDI) OBD-II dongles (critical 9.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-2906 and fix it if it is affected.

What it is: CVE-2015-2906 is a critical vulnerability in Munic Mobile Devices (MDI) OBD-II dongles, published on 23 Aug 2015. 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-2015-2906 in the wild and no public exploit code.

Affected product: Munic Mobile Devices (MDI) OBD-II dongles. 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-2015-2906/ (Markdown: https://insights.sbomify.com/CVE-2015-2906/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-2906
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-2906
- OSV: https://osv.dev/vulnerability/CVE-2015-2906

---
From sbomify Insights: https://insights.sbomify.com/CVE-2015-2906/
Summaries are generated and may contain mistakes; the official description above is the record.