CVE-2022-36327

Name: CVE-2022-36327
Creator: NVD / NIST
Published: 2023-05-18T18:15:09.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.47%

Last modified Jun 17, 2026

CVE-2022-36327 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to write files to locations with certain critical filesystem types leading to remote code execution was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This issue requires an authentication bypass issue to be triggered before this can be exploited. This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191; ibi: before 9.4.0-191; My Cloud OS 5: before 5.26.202.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to write files to locations with certain critical filesystem types leading to remote code execution was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This issue requires an authentication bypass issue to be triggered before this can be exploited. This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191; ibi: before 9.4.0-191; My Cloud OS 5: before 5.26.202.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.47%

70.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Westerndigital	My Cloud Os 5	< 5.26.202
Westerndigital	My Cloud Home Firmware	< 9.4.0-191
Westerndigital	Sandisk Ibi Firmware	< 9.4.0-191
Westerndigital	My Cloud Home Duo Firmware	< 9.4.0-191

References

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

Timeline

Published: May 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-36327?

How severe is CVE-2022-36327?

CVE-2022-36327 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2022-36327?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-36327?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST