# CVE-2021-36207: Metasys privilege management

> An authenticated user can elevate privileges to administrator in Metasys ADS/ADX/OAS servers due to improper privilege management.

- **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:** 29 Apr 2022
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-2375-ph49-69c5

## What is CVE-2021-36207?

CVE-2021-36207 is a high-severity vulnerability in Johnson Controls Metasys ADS/ADX/OAS server, published on 29 Apr 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Under certain circumstances improper privilege management in Metasys ADS/ADX/OAS servers versions 10 and 11 could allow an authenticated user to elevate their privileges to administrator.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2021-36207?

It affects 3 products.


Products: Johnsoncontrols Metasys Application and Data Server, Johnsoncontrols Metasys Extended Application and Data Server, Johnsoncontrols Metasys Open Application Server.

## How do I fix CVE-2021-36207?

No fix has been published for CVE-2021-36207 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-36207 being exploited?

There is no known exploitation of CVE-2021-36207 in the wild and no public exploit code.

## Other vulnerabilities in Johnson Controls Metasys ADS/ADX/OAS server

- [CVE-2022-21937](https://insights.sbomify.com/CVE-2022-21937/): Metasys CSS (high 8.7)
- [CVE-2021-36202](https://insights.sbomify.com/CVE-2021-36202/): Metasys UI (high 8.4)
- [CVE-2022-21938](https://insights.sbomify.com/CVE-2022-21938/): Metasys MUI Graphics XSS (high 8.1)
- [CVE-2021-36205](https://insights.sbomify.com/CVE-2021-36205/): Metasys session token (high 8.1)
- [CVE-2022-21934](https://insights.sbomify.com/CVE-2022-21934/): Metasys Unverified Password Change (high 8.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-36207 and fix it if it is affected.

What it is: CVE-2021-36207 is a high-severity vulnerability in Johnson Controls Metasys ADS/ADX/OAS server, published on 29 Apr 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-36207 in the wild and no public exploit code.

Affected product: Johnson Controls Metasys ADS/ADX/OAS server. 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-2021-36207/ (Markdown: https://insights.sbomify.com/CVE-2021-36207/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-36207
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-36207
- OSV: https://osv.dev/vulnerability/CVE-2021-36207

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-36207/
Summaries are generated and may contain mistakes; the official description above is the record.