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TI-2020-06733 Aliases CVE-2020-8333GHSA-2vg7-q8hg-5f79

A potential vulnerability in the SMI callback function used in the EEPROM driver in some…

Priority LOW 34Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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

Why it matters now

EPSS 0.00334 26th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
LenovoBIOSvarious—No fix listedCNA
  • BIOS VendorLenovo Affected various Fixed in — No fix listed CNA

CPE configurations NVD · 54

CPEVersionsRoleVendor
cpe:2.3:o:lenovo:63_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:63:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:h50-30g_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:h50-30g:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:m4500_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:m4500:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:m4550_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:m4550:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:qitian_4500_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:qitian_4500:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
  • cpe:2.3:o:lenovo:63_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:63:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:h50-30g_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:h50-30g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:m4500_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:m4500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:m4550_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:m4550:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:qitian_4500_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:qitian_4500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
Show 44 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:lenovo:qitian_b4550_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:qitian_b4550:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:qitian_m4550_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:qitian_m4550:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkcentre_e73_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:thinkcentre_e73:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkcentre_e73s_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:thinkcentre_e73s:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkcentre_e93_firmware:*:*:*:*:*:*:*:*before fbktdeaVulnerableLenovo
cpe:2.3:h:lenovo:thinkcentre_e93:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkcentre_m4500k_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:thinkcentre_m4500k:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkcentre_m4500q_firmware:*:*:*:*:*:*:*:*before fhkt85aVulnerableLenovo
cpe:2.3:h:lenovo:thinkcentre_m4500q:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkcentre_m4500t_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:thinkcentre_m4500t:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkcentre_m4500s_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:thinkcentre_m4500s:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:yangtian_afh81_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:yangtian_afh81:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:yangtian_mc_h81_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:yangtian_mc_h81:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:yangtian_mf_h81_pci_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:yangtian_mf_h81_pci:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:yangtian_wf_h81_pci_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:yangtian_wf_h81_pci:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:yangtian_tc_h81_pci_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:yangtian_tc_h81_pci:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:yangtian_wcc_h81_pci_firmware:*:*:*:*:*:*:*:*before fckt98aVulnerableLenovo
cpe:2.3:h:lenovo:yangtian_wcc_h81_pci:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkcentre_m9350z_firmware:*:*:*:*:*:*:*:*before fekta2aVulnerableLenovo
cpe:2.3:h:lenovo:thinkcentre_m9350z:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkcentre_m93z_firmware:*:*:*:*:*:*:*:*before fekta2aVulnerableLenovo
cpe:2.3:h:lenovo:thinkcentre_m93z:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkstation_c30_firmware:*:*:*:*:*:*:*:*before a3kt70aVulnerableLenovo
cpe:2.3:h:lenovo:thinkstation_c30:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkstation_d30_firmware:*:*:*:*:*:*:*:*before a3kt70aVulnerableLenovo
cpe:2.3:h:lenovo:thinkstation_d30:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkstation_e32_firmware:*:*:*:*:*:*:*:*before fbktdeaVulnerableLenovo
cpe:2.3:h:lenovo:thinkstation_e32:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkstation_p300_firmware:*:*:*:*:*:*:*:*before a2kt70aVulnerableLenovo
cpe:2.3:h:lenovo:thinkstation_p300:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:thinkstation_s30_firmware:*:*:*:*:*:*:*:*before a2kt70aVulnerableLenovo
cpe:2.3:h:lenovo:thinkstation_s30:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
  • cpe:2.3:o:lenovo:qitian_b4550_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:qitian_b4550:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:qitian_m4550_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:qitian_m4550:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkcentre_e73_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkcentre_e73:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkcentre_e73s_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkcentre_e73s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkcentre_e93_firmware:*:*:*:*:*:*:*:* Versions before fbktdea Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkcentre_e93:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkcentre_m4500k_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkcentre_m4500k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkcentre_m4500q_firmware:*:*:*:*:*:*:*:* Versions before fhkt85a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkcentre_m4500q:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkcentre_m4500t_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkcentre_m4500t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkcentre_m4500s_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkcentre_m4500s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:yangtian_afh81_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:yangtian_afh81:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:yangtian_mc_h81_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:yangtian_mc_h81:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:yangtian_mf_h81_pci_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:yangtian_mf_h81_pci:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:yangtian_wf_h81_pci_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:yangtian_wf_h81_pci:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:yangtian_tc_h81_pci_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:yangtian_tc_h81_pci:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:yangtian_wcc_h81_pci_firmware:*:*:*:*:*:*:*:* Versions before fckt98a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:yangtian_wcc_h81_pci:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkcentre_m9350z_firmware:*:*:*:*:*:*:*:* Versions before fekta2a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkcentre_m9350z:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkcentre_m93z_firmware:*:*:*:*:*:*:*:* Versions before fekta2a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkcentre_m93z:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkstation_c30_firmware:*:*:*:*:*:*:*:* Versions before a3kt70a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkstation_c30:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkstation_d30_firmware:*:*:*:*:*:*:*:* Versions before a3kt70a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkstation_d30:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkstation_e32_firmware:*:*:*:*:*:*:*:* Versions before fbktdea Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkstation_e32:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkstation_p300_firmware:*:*:*:*:*:*:*:* Versions before a2kt70a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkstation_p300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:thinkstation_s30_firmware:*:*:*:*:*:*:*:* Versions before a2kt70a Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:thinkstation_s30:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-8333
  2. 2026-10-03 Alias added: GHSA-2vg7-q8hg-5f79

References

Patch 1

  • TI-2019-04387 ThinkPad T460p and T470p BIOS Tamper Mechanism CVSS 3.1CRITICAL 9.8
  • TI-2017-02868 Code injection in Lenovo Desktop and Notebook BIOS CVSS 3.0MEDIUM 6.8
  • TI-2019-04373 A potential vulnerability in the SMI callback function used in Legacy USB driver using… CVSS 3.1MEDIUM 6.4
  • TI-2019-04371 A potential vulnerability in the SMI callback function used in the Legacy USB driver… CVSS 3.1MEDIUM 6.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences