# CVE-2023-42491: EisBaer Scada - CWE-285: Improper Authorization

> Attackers can bypass authorization controls in EisBaer SCADA systems, potentially gaining unauthorized access to industrial control functions.

- **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:** 25 Oct 2023
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-pjh7-f93r-qfrc

## What is CVE-2023-42491?

CVE-2023-42491 is a high-severity missing authorization vulnerability in  EisBaer Scada, published on 25 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

EisBaer Scada - CWE-285: Improper Authorization

Weakness: CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2023-42491?

It affects 1 product.


Products: Busbaer Eisbaer Scada.

## How do I fix CVE-2023-42491?

No fix has been published for CVE-2023-42491 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-42491 being exploited?

There is no known exploitation of CVE-2023-42491 in the wild and no public exploit code.

## Other vulnerabilities in  EisBaer Scada

- [CVE-2023-42488](https://insights.sbomify.com/CVE-2023-42488/): EisBaer Scada - CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (high 7.5)
- [CVE-2023-42489](https://insights.sbomify.com/CVE-2023-42489/): EisBaer Scada - CWE-732: Incorrect Permission Assignment for Critical Resource (high 7.5)
- [CVE-2023-42490](https://insights.sbomify.com/CVE-2023-42490/): EisBaer Scada - CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (high 7.5)
- [CVE-2023-42494](https://insights.sbomify.com/CVE-2023-42494/): EisBaer Scada - CWE-749: Exposed Dangerous Method or Function (high 7.5)
- [CVE-2023-42492](https://insights.sbomify.com/CVE-2023-42492/): EisBaer Scada - CWE-321: Use of Hard-coded Cryptographic Key (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-42491 and fix it if it is affected.

What it is: CVE-2023-42491 is a high-severity missing authorization vulnerability in  EisBaer Scada, published on 25 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-42491 in the wild and no public exploit code.

Affected product:  EisBaer Scada. 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-2023-42491/ (Markdown: https://insights.sbomify.com/CVE-2023-42491/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-42491
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-42491
- OSV: https://osv.dev/vulnerability/CVE-2023-42491

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-42491/
Summaries are generated and may contain mistakes; the official description above is the record.