# CVE-2022-40981: ETIC Telecom Remote Access Server Unrestricted Upload of File with Dangerous Type

> Attackers can upload malicious files to the ETIC Telecom Remote Access Server, potentially executing code or gaining administrator privileges.

- **Severity:** Medium 5.9 (`CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Nov 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-6ghq-8733-gh2c

## What is CVE-2022-40981?

CVE-2022-40981 is a medium-severity vulnerability in ETIC Telecom Remote Access Server (RAS), published on 10 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior is vulnerable to malicious file upload. An attacker could take advantage of this to store malicious files on the server, which could override sensitive and useful existing files on the filesystem, fill the hard disk to full capacity, or compromise the affected device or computers with administrator level privileges connected to the affected device.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2022-40981?

It affects 1 product.


Products: Etictelecom Remote Access Server Firmware.

## How do I fix CVE-2022-40981?

No fix has been published for CVE-2022-40981 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-40981 being exploited?

There is no known exploitation of CVE-2022-40981 in the wild and no public exploit code.

## Other vulnerabilities in ETIC Telecom Remote Access Server (RAS)

- [CVE-2022-3703](https://insights.sbomify.com/CVE-2022-3703/): ETIC Telecom Remote Access Server Insufficient Verification of Data Authenticity (high 7.6)
- [CVE-2023-3453](https://insights.sbomify.com/CVE-2023-3453/): ETIC Telecom Insecure Default Initialization of Resource (high 7.1)
- [CVE-2024-26153](https://insights.sbomify.com/CVE-2024-26153/): ETIC Telecom Remote Access Server (RAS) Cross-Site Request Forgery (medium 6.3)
- [CVE-2022-41607](https://insights.sbomify.com/CVE-2022-41607/): ETIC Telecom Remote Access Server Path Traversal (medium 6.2)
- [CVE-2024-26155](https://insights.sbomify.com/CVE-2024-26155/): ETIC Telecom Remote Access Server (RAS) Cleartext Transmission of Sensitive Information (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-40981 and fix it if it is affected.

What it is: CVE-2022-40981 is a medium-severity vulnerability in ETIC Telecom Remote Access Server (RAS), published on 10 Nov 2022. 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-2022-40981 in the wild and no public exploit code.

Affected product: ETIC Telecom Remote Access Server (RAS). 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-2022-40981/ (Markdown: https://insights.sbomify.com/CVE-2022-40981/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-40981
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-40981
- OSV: https://osv.dev/vulnerability/CVE-2022-40981

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-40981/
Summaries are generated and may contain mistakes; the official description above is the record.