CVE-2021-42850 json
A weak default administrator password for the web interface and serial port was reported in some Lenovo Personal Cloud Storage devices that…
published 2022-05-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29805
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
A weak default administrator password for the web interface and serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical or local network access.
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
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
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-798 Use of Hard-coded Credentials
References
-
iknow.lenovo.com.cn
/detail/dc_200017.html
vendor-advisory
Sources
- CVE List CVE-2021-42850
- NVD CVE-2021-42850
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