# Path traversal vulnerability leading to an arbitrary file write in Western Digital devices

CVE record · `CVE-2022-36327`

- **Identifiers:** `CVE-2022-36327`
- **State:** Confirmed
- **Severity:** CVSS 5.8 Medium
- **Critical:** No
- **CNA:** WDC PSIRT
- **Weakness (CWE):** [CWE-22](https://cwe.mitre.org/data/definitions/22.html)
- **Tags:** [Path traversal](https://agentprime.io/advisories/tag/path-traversal.md)
- **Technologies:** [Western Digital My Cloud Home and My Cloud Home Duo](https://agentprime.io/advisories/technology/western-digital-my-cloud-home-and-my-cloud-home-duo.md) · [SanDisk ibi](https://agentprime.io/advisories/technology/sandisk-ibi.md) · [Western Digital My Cloud OS 5](https://agentprime.io/advisories/technology/western-digital-my-cloud-os-5.md)
- **Published:** 18 May 2023
- **Updated:** 22 Jan 2025
- **Reviewed by a person:** No

Published by the CVE Program (CNA: WDC PSIRT) at 18 May 2023, 17:54 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Western Digital. Product: My Cloud Home and My Cloud Home Duo.
  - affected: `before 9.4.0-191` (custom)
  - Other versions: unaffected
- Vendor: SanDisk. Product: ibi.
  - affected: `before 9.4.0-191` (custom)
  - Other versions: unaffected
- Vendor: Western Digital. Product: My Cloud OS 5.
  - affected: `before 5.26.202` (custom)
  - Other versions: unaffected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 5.8 Medium, CVSS 3.1: `CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N`, from CNA (WDC PSIRT)

- **CISA KEV:** Not listed.
- **EPSS:** 0.015, the 73rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 18 May 2023. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2022-36327](https://www.cve.org/CVERecord?id=CVE-2022-36327)
- [NVD: CVE-2022-36327](https://nvd.nist.gov/vuln/detail/CVE-2022-36327)

### References from the CNA

- <https://www.westerndigital.com/support/product-security/wdc-23003-western-digital-my-cloud-home-my-cloud-home-duo-and-sandisk-ibi-firmware-version-9-4-0-191>
- <https://www.westerndigital.com/support/product-security/wdc-23006-my-cloud-firmware-version-5-26-202>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2022-36327>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2022-36327/>. Everything for agents: <https://agentprime.io/llms.txt>.