# CVE-2023-41372: Hardcoded credentials in ctrlX HMI Web Panel - WR21 (WR2107)

> An attacker can modify server settings on Bosch ctrlX HMI panels by forging intents using hardcoded RSA keys, redirecting connections to malicious servers.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/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:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Oct 2023
- **Updated:** 12 Sep 2024
- **Also known as:** GHSA-5q5g-gj85-746p

## What is CVE-2023-41372?

CVE-2023-41372 is a high-severity vulnerability in Rexroth ctrlX HMI Web Panel - WR21 (WR2107), published on 25 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

The vulnerability allows an unprivileged (untrusted) third- party application to arbitrary modify the server settings of the Android Client application, inducing it to connect to an attacker - controlled malicious server.This is possible by forging a valid broadcast intent encrypted with a hardcoded RSA key pair

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

## Which versions are affected by CVE-2023-41372?

It affects 3 products.


Products: Boschrexroth Ctrlx Hmi Web Panel Wr2107 Firmware, Boschrexroth Ctrlx Hmi Web Panel Wr2110 Firmware, Boschrexroth Ctrlx Hmi Web Panel Wr2115 Firmware.

## How do I fix CVE-2023-41372?

No fix has been published for CVE-2023-41372 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-41372 being exploited?

There is no known exploitation of CVE-2023-41372 in the wild and no public exploit code.

## Other vulnerabilities in Rexroth ctrlX HMI Web Panel - WR21 (WR2107)

- [CVE-2023-41255](https://insights.sbomify.com/CVE-2023-41255/): Missing authorization in ctrlX HMI Web Panel - WR21 (WR2107) (high 8.8)
- [CVE-2023-45220](https://insights.sbomify.com/CVE-2023-45220/): Information disclosure in ctrlX HMI Web Panel - WR21 (WR2107) (high 8.8)
- [CVE-2023-45851](https://insights.sbomify.com/CVE-2023-45851/): Missing authorization in ctrlX HMI Web Panel - WR21 (WR2107) (high 8.8)
- [CVE-2023-46102](https://insights.sbomify.com/CVE-2023-46102/): Hardcoded credentials in ctrlX HMI Web Panel - WR21 (WR2107) (high 8.8)
- [CVE-2023-45321](https://insights.sbomify.com/CVE-2023-45321/): Information disclosure in ctrlX HMI Web Panel - WR21 (WR2107) (high 8.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-41372 and fix it if it is affected.

What it is: CVE-2023-41372 is a high-severity vulnerability in Rexroth ctrlX HMI Web Panel - WR21 (WR2107), published on 25 Oct 2023. 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-2023-41372 in the wild and no public exploit code.

Affected product: Rexroth ctrlX HMI Web Panel - WR21 (WR2107). 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-2023-41372/ (Markdown: https://insights.sbomify.com/CVE-2023-41372/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-41372
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-41372
- OSV: https://osv.dev/vulnerability/CVE-2023-41372

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-41372/
Summaries are generated and may contain mistakes; the official description above is the record.