Auth bypass in Lenovo A1
CVE-2021-42849
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (12.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Lenovo A1
- Lenovo A1 Firmware
- Lenovo Personal Cloud Storage A1 — versions unspecified
- Lenovo Personal Cloud Storage T1 — versions unspecified
- Lenovo Personal Cloud Storage T2 — versions unspecified
- Lenovo Personal Cloud Storage T2pro — versions unspecified
- Lenovo Personal Cloud Storage X1 — versions unspecified
- Lenovo T1
- Lenovo T1 Firmware
- Lenovo T2
Weakness classification (CWE)
References
- iknow.lenovo.com.cn/detail/dc_200017.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-42849?
- CVE-2021-42849 is a medium-severity vulnerability in Lenovo A1, classified under Use of Hard-coded Credentials. CVSS score: 6.8/10. Published 2022-05-18.
- How severe is CVE-2021-42849?
- Medium severity. CVSS v3 base score is 6.8 out of 10.