# CVE-2019-6186: Privilege escalation in Lenovo System Interface Foundation

> An authenticated user can execute code as another user in Lenovo System Interface Foundation, enabling privilege escalation.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Nov 2019
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-g46h-2h5p-r796

## What is CVE-2019-6186?

CVE-2019-6186 is a high-severity vulnerability in Lenovo System Interface Foundation, published on 20 Nov 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A potential vulnerability was reported in Lenovo System Interface Foundation versions before v1.1.18.3 that could allow an authenticated user to execute code as another user.

## Which versions are affected by CVE-2019-6186?

It affects 1 product.


Products: Lenovo System Interface Foundation.

## How do I fix CVE-2019-6186?

No fix has been published for CVE-2019-6186 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-6186 being exploited?

There is no known exploitation of CVE-2019-6186 in the wild and no public exploit code.

## Other vulnerabilities in Lenovo System Interface Foundation

- [CVE-2021-3922](https://insights.sbomify.com/CVE-2021-3922/): Race condition in IMController (high 7.8)
- [CVE-2021-3969](https://insights.sbomify.com/CVE-2021-3969/): Race condition in IMController (high 7.8)
- [CVE-2019-6189](https://insights.sbomify.com/CVE-2019-6189/): Other in Lenovo System Interface Foundation (high 7.8)
- [CVE-2016-8223](https://insights.sbomify.com/CVE-2016-8223/): Privilege escalation in All ThinkPad, ThinkCentre, ThinkStation and Lenovo-branded systems preloaded with the Windows 10 operating system, or any system running Lenovo Companion, Lenovo Settings, or Lenovo ID. (high 7.8)
- [CVE-2020-8318](https://insights.sbomify.com/CVE-2020-8318/): Privilege escalation in LenovoSystemUpdatePlugin for Lenovo System Interface Foundation (high 7.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-6186 and fix it if it is affected.

What it is: CVE-2019-6186 is a high-severity vulnerability in Lenovo System Interface Foundation, published on 20 Nov 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-6186 in the wild and no public exploit code.

Affected product: Lenovo System Interface Foundation. 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-2019-6186/ (Markdown: https://insights.sbomify.com/CVE-2019-6186/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-6186
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-6186
- OSV: https://osv.dev/vulnerability/CVE-2019-6186

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-6186/
Summaries are generated and may contain mistakes; the official description above is the record.