What’s Vulnerable › Vulnerabilities

CVE-2020-8321

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-09 · updated 2026-06-17

Description

A potential vulnerability in the SMI callback function used in the System Lock Preinstallation driver in some Lenovo Notebook and ThinkStation models may allow arbitrary code execution.

Affected products

• Lenovo 130-14Ast Firmware: all versions
• Lenovo 130-14Ikb Firmware: all versions
• Lenovo 130-15Ast Firmware: all versions
• Lenovo 130-15Ikb Firmware: all versions
• Lenovo 320C-15Ikb Firmware: all versions
• Lenovo 330-14Igm Firmware: all versions
• Lenovo 330-14Ikb Firmware: all versions
• Lenovo 330-14Ikbr Firmware: all versions
• Lenovo 330-15Arr Firmware: all versions
• Lenovo 330-15Arr Touch Firmware: all versions
• Lenovo 330-15Ich Firmware: all versions
• Lenovo 330-15Igm Firmware: all versions
• Lenovo 330-15Ikb Firmware: all versions
• Lenovo 330-15Ikbr Firmware: all versions
• Lenovo 330-15Ikbr Touch Firmware: all versions
• Lenovo 330-17Ich Firmware: all versions
• Lenovo 330-17Ikb Firmware: all versions
• Lenovo 330-17Ikbr Firmware: all versions
• Lenovo 330C-14Ikb Firmware: all versions
• Lenovo 330C-15Ikb Firmware: all versions
• Lenovo 330C-15Ikbr Firmware: all versions
• Lenovo 340C-15Igm Firmware: all versions
• Lenovo 340C-15Ikb Firmware: all versions
• Lenovo 340C-15Iwl Firmware: all versions
• Lenovo 530S-14Arr Firmware: all versions
• Lenovo 530S-14Ikb Firmware: all versions
• Lenovo 530S-14Iwl Firmware: all versions
• Lenovo 530S-15Ikb Firmware: all versions
• Lenovo 530S-15Iwl Firmware: all versions
• Lenovo 720S-13Arr Firmware: all versions

References

• https://support.lenovo.com/us/en/product_security/LEN-30042
• https://support.lenovo.com/us/en/product_security/LEN-30042

Get alerted when CVE-2020-8321 or the next vulnerability affects your stack