CVE-2020-8320

MediumCVSS 6.8/10Last modified Jun 17, 2026

Description

An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-489CWE-269

Affected software

VendorProductVersions
LenovoBIOSvarious

References

Timeline

Published
Jun 9, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-83216.7A potential vulnerability in the SMI callback function used in the System Lock Preinstallation driver in some Lenovo Notebook and ThinkStatiCVE-2020-83226.7A potential vulnerability in the SMI callback function used in the Legacy USB driver in some Lenovo Notebook and ThinkStation models may allCVE-2020-83236.7A potential vulnerability in the SMI callback function used in the Legacy SD driver in some Lenovo ThinkPad, ThinkStation, and Lenovo NoteboCVE-2020-83245.5A vulnerability was reported in LenovoAppScenarioPluginSystem for Lenovo System Interface Foundation prior to version 1.2.184.31 that could CVE-2020-83267.8An unquoted service path vulnerability was reported in Lenovo Drivers Management prior to version 2.7.1128.1046 that could allow an authentiCVE-2020-83277.8A privilege escalation vulnerability was reported in LenovoBatteryGaugePackage for Lenovo System Interface Foundation bundled in Lenovo VantCVE-2020-83297.5A denial of service vulnerability was reported in the firmware prior to version 1.01 used in Lenovo Printer LJ4010DN that could be triggeredCVE-2020-83307.5A denial of service vulnerability was reported in the firmware prior to version 1.01 used in Lenovo Printer LJ4010DN that could be triggeredCVE-2020-83326.4A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x serveCVE-2020-83337.8A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow aCVE-2020-83346.8The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unautCVE-2020-83356.8The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj
CVE-2020-8320: Medium severity, CVSS 6.8 | Vulnix