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% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Westerndigital My Cloud Os 5
- Published:
- Last modified:
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% (72nd 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
- 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
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
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- 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…
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