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.
EPSS: 0.002 (13.1th percentile) — read the EPSS interpretation.
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.
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
- psirt@lenovo.com (x_refsource_MISC, 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.