SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-8333

A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution

HIGH 7.8EPSS 0.33%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.33% probability · 26th percentile
CISA KEV
Not listed
Affected
lenovo/63 firmware · lenovo/h50-30g firmware · lenovo/m4500 firmware · lenovo/m4550 firmware · lenovo/qitian 4500 firmware · lenovo/qitian b4550 firmware · lenovo/qitian m4550 firmware · lenovo/thinkcentre e73 firmware · lenovo/thinkcentre e73s firmware · lenovo/thinkcentre e93 firmware · lenovo/thinkcentre m4500k firmware · lenovo/thinkcentre m4500q firmware · lenovo/thinkcentre m4500t firmware · lenovo/thinkcentre m4500s firmware · lenovo/yangtian afh81 firmware · lenovo/yangtian mc h81 firmware · lenovo/yangtian mf h81 pci firmware · lenovo/yangtian wf h81 pci firmware · lenovo/yangtian tc h81 pci firmware · lenovo/yangtian wcc h81 pci firmware · +7 more
Source
psirt@lenovo.com

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