What’s Vulnerable › Vulnerabilities

CVE-2021-3452

• 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: 2021-07-16 · updated 2026-06-17
• Weakness: CWE-20

Description

A potential vulnerability in the system shutdown SMI callback function in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.

Affected products

• Lenovo BIOS: all versions

References

• https://support.lenovo.com/us/en/product_security/LEN-65529
• https://support.lenovo.com/us/en/product_security/LEN-65529

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