SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-8332

A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution.

MEDIUM 6.4EPSS 0.23%

Does this matter?

Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.

Description

A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.

CVSS 3.1
6.4 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.23% probability · 14th percentile
CISA KEV
Not listed
Weakness
CWE-367
Affected
lenovo/bladecenter hs23 firmware · lenovo/bladecenter hs23e firmware · lenovo/compute node-x440 firmware · lenovo/flex system x220 firmware · lenovo/flex system x240 firmware · lenovo/flex system x440 firmware · lenovo/nextscale nx360 m4 firmware · lenovo/system x3300 m4 firmware · lenovo/system x3500 m4 firmware · lenovo/system x3530 m4 firmware · lenovo/system x3550 m4 firmware · lenovo/system x3630 m4 firmware · lenovo/system x3650 m4 firmware · lenovo/system x3650 m4 bd firmware · lenovo/system x3650 m4 hd firmware · lenovo/system x3750 m4 firmware · lenovo/idataplex dx360 m4 firmware · lenovo/idataplex dx360 m4 water cooled firmware
Source
psirt@lenovo.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.