Auth bypass in Lenovo A1
CVE-2021-42851
A vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an unauthenticated user to create a standard user account.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (45.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · 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-2021-42851?
- CVE-2021-42851 is a medium-severity vulnerability in Lenovo A1, classified under Missing Authorization. CVSS score: 6.3/10. Published 2022-05-18.
- How severe is CVE-2021-42851?
- Medium severity. CVSS v3 base score is 6.3 out of 10.