CVE-2021-42849 json
A weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device…
published 2022-05-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29804
- cvss
- 6.8
- 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 14%
- public exploits
- 0
- none known
Summary
A weak default password for the serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical 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
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/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
References
-
iknow.lenovo.com.cn
/detail/dc_200017.html
vendor-advisory
Sources
- CVE List CVE-2021-42849
- NVD CVE-2021-42849
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