CVE-2021-42851 json
A vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an unauthenticated user to create a standard us…
published 2022-05-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29806
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
A vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an unauthenticated user to create a standard user account.
Patch / fix
- Lenovo Personal Cloud Storage A1 5.3.6.a1
- Lenovo Personal Cloud Storage T1 5.3.6.t1
- Lenovo Personal Cloud Storage X1 5.3.8.x1
- Lenovo Personal Cloud Storage T2 5.3.8.t2
- Lenovo Personal Cloud Storage T2Pro 5.3.7.t2-pro
Exploit prediction
0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- Lenovo Personal Cloud Storage A1
- Lenovo Personal Cloud Storage T1
- Lenovo Personal Cloud Storage X1
- Lenovo Personal Cloud Storage T2
- Lenovo Personal Cloud Storage T2Pro
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
iknow.lenovo.com.cn
/detail/dc_200017.html
vendor-advisory
Sources
- CVE List CVE-2021-42851
- NVD CVE-2021-42851
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