# CVE-2022-39060: ChangingTec MegaServiSignAdapter - Improper Input Validation

> Unauthenticated attackers can modify registry keys to execute malicious scripts, leading to system control or service termination.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 31 Jan 2023
- **Updated:** 27 Mar 2025
- **Also known as:** GHSA-c653-695r-xprr

## What is CVE-2022-39060?

CVE-2022-39060 is a critical vulnerability in ChangingTec MegaServiSignAdapter, published on 31 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

ChangingTech MegaServiSignAdapter component has a vulnerability of improper input validation. An unauthenticated remote attacker can exploit this vulnerability to access and modify HKEY_CURRENT_USER subkey (ex: AutoRUN) in Registry where malicious scripts can be executed to take control of the system or to terminate the service.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2022-39060?

It affects 1 product.


Products: Changingtec Megaservisignadapter.

## How do I fix CVE-2022-39060?

No fix has been published for CVE-2022-39060 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-39060 being exploited?

There is no known exploitation of CVE-2022-39060 in the wild and no public exploit code.

## Other vulnerabilities in ChangingTec MegaServiSignAdapter

- [CVE-2022-39059](https://insights.sbomify.com/CVE-2022-39059/): ChangingTec MegaServiSignAdapter - Path Traversal (high 7.5)
- [CVE-2022-39061](https://insights.sbomify.com/CVE-2022-39061/): ChangingTec MegaServiSignAdapter - Out-of-bounds Read (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-39060 and fix it if it is affected.

What it is: CVE-2022-39060 is a critical vulnerability in ChangingTec MegaServiSignAdapter, published on 31 Jan 2023. 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-2022-39060 in the wild and no public exploit code.

Affected product: ChangingTec MegaServiSignAdapter. 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-2022-39060/ (Markdown: https://insights.sbomify.com/CVE-2022-39060/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-39060
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-39060
- OSV: https://osv.dev/vulnerability/CVE-2022-39060

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-39060/
Summaries are generated and may contain mistakes; the official description above is the record.