# CVE-2021-42116: Unauthorized Menu Item Access in TopEase

> Authenticated attackers can access restricted Shape Editor and Settings features in TopEase by bypassing access controls.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **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:** 30 Nov 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-m95m-2xc3-p525

## What is CVE-2021-42116?

CVE-2021-42116 is a medium-severity missing authorization vulnerability in Business-DNA Solutions GmbH TopEase, published on 30 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Incorrect Access Control in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 allows an authenticated remote attacker to view the Shape Editor and Settings, which are functionality for higher privileged users, via identifying said components in the front-end source code or other means.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2021-42116?

It affects 1 product.


Products: Businessdnasolutions Topease.

## How do I fix CVE-2021-42116?

No fix has been published for CVE-2021-42116 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-42116 being exploited?

There is no known exploitation of CVE-2021-42116 in the wild and no public exploit code.

## Other vulnerabilities in Business-DNA Solutions GmbH TopEase

- [CVE-2021-42115](https://insights.sbomify.com/CVE-2021-42115/): Missing HTTPOnly flag on sensitive cookie in TopEase (high 8.1)
- [CVE-2021-42118](https://insights.sbomify.com/CVE-2021-42118/): Stored XSS in TopEase (high 8.1)
- [CVE-2021-42544](https://insights.sbomify.com/CVE-2021-42544/): Lack of Rate limiting in Authentication in TopEase (high 7.5)
- [CVE-2021-42119](https://insights.sbomify.com/CVE-2021-42119/): Stored XSS in Search Function in TopEase (high 7.3)
- [CVE-2021-42123](https://insights.sbomify.com/CVE-2021-42123/): Missing Upload Filter in TopEase (high 7.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-42116 and fix it if it is affected.

What it is: CVE-2021-42116 is a medium-severity missing authorization vulnerability in Business-DNA Solutions GmbH TopEase, published on 30 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-42116 in the wild and no public exploit code.

Affected product: Business-DNA Solutions GmbH TopEase. 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-2021-42116/ (Markdown: https://insights.sbomify.com/CVE-2021-42116/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-42116
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-42116
- OSV: https://osv.dev/vulnerability/CVE-2021-42116

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-42116/
Summaries are generated and may contain mistakes; the official description above is the record.