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Fencer Intel
medium 6.4

CVE-2020-8323 json

A potential vulnerability in the SMI callback function used in the Legacy SD driver in some Lenovo ThinkPad, ThinkStation, and Lenovo Noteb…

published 6y ago modified 4mo ago also EUVD-2020-29190

cvss
6.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

A potential vulnerability in the SMI callback function used in the Legacy SD driver in some Lenovo ThinkPad, ThinkStation, and Lenovo Notebook models may allow arbitrary code execution.

Patch / fix

  • lenovo thinkpad_11e_yoga_gen_6_firmware 2020-07-10
  • lenovo thinkpad_11e_firmware 2020-07-10
  • lenovo thinkpad_yoga_11e_3rd_gen_firmware 2020-07-10
  • lenovo thinkpad_yoga_11e_4th_gen_firmware 2020-07-10
  • lenovo thinkpad_yoga_11e_5th_gen_firmware 2020-07-10
  • lenovo thinkpad_13_2nd_gen_firmware 2020-07-10
  • lenovo thinkpad_13_firmware 2020-07-10
  • lenovo thinkpad_a275_firmware 2020-07-10
  • lenovo thinkpad_a285_firmware 2020-07-10
  • lenovo thinkpad_a475_firmware 2020-07-10
  • lenovo thinkpad_a485_firmware 2020-07-10
  • lenovo thinkpad_e14_firmware 2020-07-10
  • lenovo thinkpad_e15_firmware 2020-07-10
  • lenovo thinkpad_r14_firmware 2020-07-10
  • lenovo thinkpad_s3_gen_2_firmware 2020-07-10
  • lenovo thinkpad_e455_firmware 2020-07-10
  • lenovo thinkpad_e555_firmware 2020-07-10
  • lenovo thinkpad_e460_firmware 2020-07-10
  • lenovo thinkpad_e560_firmware 2020-07-10
  • lenovo thinkpad_e465_firmware 2020-07-10

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Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Lenovo BIOS

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.