Vulnerability Database

322,732

Total vulnerabilities in the database

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.

  • Published: May 18, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-42851
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.3
  • AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:P/A:N

CWEs:

Software From Fixed in
lenovo / a1_firmware - 5.3.6.a1
lenovo / t1_firmware - 5.3.6.t1
lenovo / x1_firmware - 5.3.8.x1
lenovo / t2_firmware - 5.3.8.t2
lenovo / t2pro_firmware - 5.3.7.t2-pro