# CVE-2021-22272: ControlTouch Cloud Service vulnerability: Serial Number can be misused during commissioning phase.

> Attackers can misuse serial numbers during commissioning to link devices to their accounts, enabling remote observation and control of ABB ControlTouch devices.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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:** 27 Sep 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-m839-458p-p487

## What is CVE-2021-22272?

CVE-2021-22272 is a medium-severity vulnerability in ABB my.busch-jaeger.de, published on 27 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The vulnerability origins in the commissioning process where an attacker of the ControlTouch can enter a serial number in a specific way to transfer the device virtually into her/his my.busch-jaeger.de or mybuildings.abb.com profile. A successful attacker can observe and control a ControlTouch remotely under very specific circumstances. The issue is fixed in the cloud side of the system. No firmware update is needed for customer products. If a user wants to understand if (s)he is affected, please read the advisory. This issue affects: ABB and Busch-Jaeger, ControlTouch

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

## Which versions are affected by CVE-2021-22272?

It affects 2 products.


Products: Abb Mybuildings, Busch-Jaeger Mybusch-Jaeger.

## How do I fix CVE-2021-22272?

No fix has been published for CVE-2021-22272 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-22272 being exploited?

There is no known exploitation of CVE-2021-22272 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-22272 and fix it if it is affected.

What it is: CVE-2021-22272 is a medium-severity vulnerability in ABB my.busch-jaeger.de, published on 27 Sep 2021. 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-2021-22272 in the wild and no public exploit code.

Affected product: ABB my.busch-jaeger.de. 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-2021-22272/ (Markdown: https://insights.sbomify.com/CVE-2021-22272/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-22272
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-22272
- OSV: https://osv.dev/vulnerability/CVE-2021-22272

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-22272/
Summaries are generated and may contain mistakes; the official description above is the record.