# Impersonation attack causing an Authentication Bypass on Western Digital devices

CVE record · `CVE-2022-36331`

- **Identifiers:** `CVE-2022-36331`
- **State:** Confirmed
- **Severity:** CVSS 10.0 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** WDC PSIRT
- **Weakness (CWE):** [CWE-290](https://cwe.mitre.org/data/definitions/290.html)
- **Tags:** [Authentication bypass](https://agentprime.io/advisories/tag/auth-bypass.md)
- **Technologies:** [Western Digital My Cloud OS 5](https://agentprime.io/advisories/technology/western-digital-my-cloud-os-5.md) · [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)
- **Published:** 12 Jun 2023
- **Updated:** 3 Jan 2025
- **Reviewed by a person:** No

Published by the CVE Program (CNA: WDC PSIRT) at 12 Jun 2023, 17:57 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.

## Critical

Critical, because:

- CVSS score 10.0: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Western Digital. Product: My Cloud OS 5.
  - affected: `before 5.25.132` (custom)
  - Other versions: unaffected
- Vendor: Western Digital. Product: My Cloud Home and My Cloud Home Duo.
  - affected: `before 8.13.1-102` (custom)
  - Other versions: unaffected
- Vendor: SanDisk. Product: ibi.
  - affected: `before 8.13.1-102` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0059, the 48th 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 12 Jun 2023. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2022-36331](https://www.cve.org/CVERecord?id=CVE-2022-36331)
- [NVD: CVE-2022-36331](https://nvd.nist.gov/vuln/detail/CVE-2022-36331)

### References from the CNA

- <https://https//www.westerndigital.com/support/product-security/wdc-22020-my-cloud-os-5-my-cloud-home-ibi-firmware-update>

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-2022-36331>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2022-36331/>. Everything for agents: <https://agentprime.io/llms.txt>.