CVE-2020-29563 json
An issue was discovered on Western Digital My Cloud OS 5 devices before 5.07.118.
published 2020-12-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21926
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
An issue was discovered on Western Digital My Cloud OS 5 devices before 5.07.118. A NAS Admin authentication bypass vulnerability could allow an unauthenticated user to gain access to the device.
Patch / fix
- westerndigital my_cloud_os_5 5.07.118
Exploit prediction
2.92% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
westerndigital.com
/support/productsecurity/wdc-20010-my-cloud-os5-firmware-5-07-118
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-20-1446/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-29563
- NVD CVE-2020-29563
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.