Vulnerability Database

322,732

Total vulnerabilities in the database

CVE-2021-42852

A command injection vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow an authenticated user to execute operating system commands by sending a crafted packet to the device.

  • Published: May 18, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-42852
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8
  • AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.7
  • AV:A/AC:L/Au:S/C:C/I:C/A:C

CWEs:

OWASP TOP 10:

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