# CVE-2022-29844: Western Digital My Cloud OS 5 arbitrary file read and write vulnerability via ftp

> An attacker can read and write arbitrary files via the FTP service, leading to full NAS compromise and remote code execution.

- **Severity:** Medium 6.7 (`CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Jan 2023
- **Updated:** 4 Apr 2025
- **Also known as:** GHSA-6r45-66xq-p89w

## What is CVE-2022-29844?

CVE-2022-29844 is a medium-severity path traversal vulnerability in Western Digital My Cloud, published on 25 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability in the FTP service of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to read and write arbitrary files. This could lead to a full NAS compromise and would give remote execution capabilities to the attacker.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory), CWE-23 (Relative Path Traversal)

## Which versions are affected by CVE-2022-29844?

It affects 8 products.


Products: Westerndigital My Cloud Dl2100 Firmware, Westerndigital My Cloud Dl4100 Firmware, Westerndigital My Cloud Ex2100 Firmware, Westerndigital My Cloud Ex2 Ultra Firmware, Westerndigital My Cloud Ex4100 Firmware, Westerndigital My Cloud Mirror G2 Firmware, Westerndigital My Cloud Pr2100 Firmware, Westerndigital My Cloud Pr4100 Firmware.

## How do I fix CVE-2022-29844?

No fix has been published for CVE-2022-29844 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-29844 being exploited?

There is no known exploitation of CVE-2022-29844 in the wild and no public exploit code.

## Other vulnerabilities in Western Digital My Cloud

- [CVE-2022-36331](https://insights.sbomify.com/CVE-2022-36331/): Impersonation attack causing an Authentication Bypass on Western Digital devices (critical 10.0)
- [CVE-2019-9950](https://insights.sbomify.com/CVE-2019-9950/): Auth bypass in n/a (critical 9.8)
- [CVE-2019-9949](https://insights.sbomify.com/CVE-2019-9949/): Path traversal in n/a (high 8.8)
- [CVE-2022-22999](https://insights.sbomify.com/CVE-2022-22999/): Cross-site Scripting Vulnerability in USB Backups App (high 8.2)
- [CVE-2022-23000](https://insights.sbomify.com/CVE-2022-23000/): Weak Default SSL use in Port Forwarding Service (high 7.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-29844 and fix it if it is affected.

What it is: CVE-2022-29844 is a medium-severity path traversal vulnerability in Western Digital My Cloud, published on 25 Jan 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-2022-29844 in the wild and no public exploit code.

Affected product: Western Digital My Cloud. 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-2022-29844/ (Markdown: https://insights.sbomify.com/CVE-2022-29844/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-29844
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-29844
- OSV: https://osv.dev/vulnerability/CVE-2022-29844

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-29844/
Summaries are generated and may contain mistakes; the official description above is the record.