# CVE-2022-22989: Pre-authenticated stack overflow vulnerability on FTP Service

> Unauthenticated attackers can exploit a stack overflow in the FTP service to execute arbitrary code on Western Digital My Cloud devices.

- **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:** 13 Jan 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-xjqw-8fp3-69c2

## What is CVE-2022-22989?

CVE-2022-22989 is a critical memory corruption vulnerability in Western Digital My Cloud, published on 13 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

My Cloud OS 5 was vulnerable to a pre-authenticated stack overflow vulnerability on the FTP service that could be exploited by unauthenticated attackers on the network. Addressed the vulnerability by adding defenses against stack overflow issues.

Weakness: CWE-787 (Out-of-bounds Write), CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2022-22989?

It affects 1 product.


Products: Westerndigital My Cloud Os.

## How do I fix CVE-2022-22989?

No fix has been published for CVE-2022-22989 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-22989 being exploited?

There is no known exploitation of CVE-2022-22989 in the wild and no public exploit code.

## Other vulnerabilities in Western Digital My Cloud

- [CVE-2023-22814](https://insights.sbomify.com/CVE-2023-22814/): Authentication Bypass issue in My Cloud OS 5 devices (critical 10.0)
- [CVE-2022-29842](https://insights.sbomify.com/CVE-2022-29842/): Command Injection Vulnerability in Western Digital My Cloud devices (critical 9.8)
- [CVE-2021-36224](https://insights.sbomify.com/CVE-2021-36224/): Hardcoded credentials in n/a (critical 9.8)
- [CVE-2021-36226](https://insights.sbomify.com/CVE-2021-36226/): Security feature bypass in n/a (critical 9.8)
- [CVE-2021-36225](https://insights.sbomify.com/CVE-2021-36225/): Missing authorization in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-22989 and fix it if it is affected.

What it is: CVE-2022-22989 is a critical memory corruption vulnerability in Western Digital My Cloud, published on 13 Jan 2022. 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-2022-22989 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-2022-22989/ (Markdown: https://insights.sbomify.com/CVE-2022-22989/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-22989
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-22989
- OSV: https://osv.dev/vulnerability/CVE-2022-22989

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-22989/
Summaries are generated and may contain mistakes; the official description above is the record.