CVE-2022-22990
highpriority · track · 36EPSS 0.021 · 82 %ileEUUSEPSS · scored 2026-10-27
A limited authentication bypass vulnerability was discovered that could allow an attacker to achieve remote code execution and escalate privileges on the My Cloud devices. Addressed this vulnerability by changing access token validation logic and rewriting rule logic on PHP scripts.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://www.cybersecurity-help.cz/vdb/SB2022021810cnnvd
- https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-22-076/cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-22-347/cnnvd
- https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117enisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-22-076/enisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-22-347/enisa_euvd
- https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117Vendor Advisorynvd
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