Vulnerability · Published Nov 11, 2020 · Assigned by lenovo

CVE-2020-8354

Medium 6.4

In plain English

A medium-severity security flaw in BIOS from Lenovo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)6.4Medium

Exploit odds (30 days)0.3%top 82.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.

Affected products (as reported)

Vendor	Product	Versions
Lenovo	BIOS	unspecified – before various

Weakness: CWE-367 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

References

https://support.lenovo.com/us/en/product_security/LEN-49266 x_refsource_MISC