Auth bypass in Lenovo A1

CVE-2021-42848

An information disclosure vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an unauthenticated user to retrieve device and networking details.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-42848: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-42848?
CVE-2021-42848 is a medium-severity vulnerability in Lenovo A1, classified under Missing Authorization. CVSS score: 4.3/10. Published 2022-05-18.
How severe is CVE-2021-42848?
Medium severity. CVSS v3 base score is 4.3 out of 10.