How severe is CVE-2022-36327?

CVE-2022-36327 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-36327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36327?

CVE-2022-36327 primarily affects Westerndigital My Cloud Os 5. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-36327?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-36327 published?

CVE-2022-36327 was published on 2023-05-18 and last updated on 2026-06-17.

CVE-2022-36327

CVE-2022-36327 is a medium-severity vulnerability in Westerndigital My Cloud Os 5 with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Westerndigital My Cloud Os 5
Published: 2023-05-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-36327?: 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.
How severe is CVE-2022-36327?: CVE-2022-36327 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-36327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36327?: CVE-2022-36327 primarily affects Westerndigital My Cloud Os 5. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-36327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-36327 published?: CVE-2022-36327 was published on 2023-05-18 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_home_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:sandisk_ibi_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:westerndigital:my_cloud_home_duo_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Westerndigital My Cloud Os 5

CVE-2020-29563 — Critical (CVSS 9.8): An issue was discovered on Western Digital My Cloud OS 5 devices before 5.07.118. A NAS Admin authentication bypass…
CVE-2020-28971 — Critical (CVSS 9.8): An issue was discovered on Western Digital My Cloud OS 5 devices before 5.06.115. A NAS Admin authentication bypass…
CVE-2020-28970 — Critical (CVSS 9.8): An issue was discovered on Western Digital My Cloud OS 5 devices before 5.06.115. A NAS Admin authentication bypass…
CVE-2020-28940 — Critical (CVSS 9.8): On Western Digital My Cloud OS 5 devices before 5.06.115, the NAS Admin dashboard has an authentication bypass…
CVE-2022-36328 — Medium (CVSS 5.8): Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an…
CVE-2022-36326 — Medium (CVSS 4.4): An uncontrolled resource consumption vulnerability issue that could arise by sending crafted requests to a service to…

All CVEs affecting Westerndigital My Cloud Os 5 →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →