CVE-2020-8333

highpriority · track · 31EPSS 0.003 · 27 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (27th) EPSS

CVSS 7.2 · high

Is it mine?

28 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.8

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@lenovo.comexploitability 0.5 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USLLM-inferredCWE-94USLLM-inferred

affected products (28)

Products and version ranges known to be affected.

Lenovo BIOSall versionsenisa_euvdEU
lenovo 63 firmware< fckt98anvdUScpe:2.3:o:lenovo:63_firmware:*:*:*:*:*:*:*:*
lenovo h50-30g firmware< fckt98anvdUScpe:2.3:o:lenovo:h50-30g_firmware:*:*:*:*:*:*:*:*
lenovo m4500 firmware< fckt98anvdUScpe:2.3:o:lenovo:m4500_firmware:*:*:*:*:*:*:*:*
lenovo m4550 firmware< fckt98anvdUScpe:2.3:o:lenovo:m4550_firmware:*:*:*:*:*:*:*:*
lenovo qitian 4500 firmware< fckt98anvdUScpe:2.3:o:lenovo:qitian_4500_firmware:*:*:*:*:*:*:*:*
lenovo qitian b4550 firmware< fckt98anvdUScpe:2.3:o:lenovo:qitian_b4550_firmware:*:*:*:*:*:*:*:*
lenovo qitian m4550 firmware< fckt98anvdUScpe:2.3:o:lenovo:qitian_m4550_firmware:*:*:*:*:*:*:*:*
lenovo thinkcentre e73 firmware< fckt98anvdUScpe:2.3:o:lenovo:thinkcentre_e73_firmware:*:*:*:*:*:*:*:*
lenovo thinkcentre e73s firmware< fckt98anvdUScpe:2.3:o:lenovo:thinkcentre_e73s_firmware:*:*:*:*:*:*:*:*
lenovo thinkcentre e93 firmware< fbktdeanvdUScpe:2.3:o:lenovo:thinkcentre_e93_firmware:*:*:*:*:*:*:*:*
lenovo thinkcentre m4500k firmware< fckt98anvdUScpe:2.3:o:lenovo:thinkcentre_m4500k_firmware:*:*:*:*:*:*:*:*
lenovo thinkcentre m4500q firmware< fhkt85anvdUScpe:2.3:o:lenovo:thinkcentre_m4500q_firmware:*:*:*:*:*:*:*:*
lenovo thinkcentre m4500s firmware< fckt98anvdUScpe:2.3:o:lenovo:thinkcentre_m4500s_firmware:*:*:*:*:*:*:*:*
lenovo thinkcentre m4500t firmware< fckt98anvdUScpe:2.3:o:lenovo:thinkcentre_m4500t_firmware:*:*:*:*:*:*:*:*
lenovo thinkcentre m9350z firmware< fekta2anvdUScpe:2.3:o:lenovo:thinkcentre_m9350z_firmware:*:*:*:*:*:*:*:*
lenovo thinkcentre m93z firmware< fekta2anvdUScpe:2.3:o:lenovo:thinkcentre_m93z_firmware:*:*:*:*:*:*:*:*
lenovo thinkstation c30 firmware< a3kt70anvdUScpe:2.3:o:lenovo:thinkstation_c30_firmware:*:*:*:*:*:*:*:*
lenovo thinkstation d30 firmware< a3kt70anvdUScpe:2.3:o:lenovo:thinkstation_d30_firmware:*:*:*:*:*:*:*:*
lenovo thinkstation e32 firmware< fbktdeanvdUScpe:2.3:o:lenovo:thinkstation_e32_firmware:*:*:*:*:*:*:*:*

showing 20 of 28

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-09-24modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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