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Fencer Vulns
medium 6.7

CVE-2022-48189 json

An SMM driver input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated pri…

published 2023-10-30 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-50900

cvss
6.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits
0
none known

Summary

An SMM driver input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.

Patch / fix

  • lenovo thinkpad_e14_firmware 1.23
  • lenovo thinkpad_e14_gen_2_firmware 1.55
  • lenovo thinkpad_e14_gen_4_firmware 1.16, 1.18
  • lenovo thinkpad_e15_firmware 1.23
  • lenovo thinkpad_e15_gen_2_firmware 1.55
  • lenovo thinkpad_e15_gen_4_firmware 1.16, 1.18
  • lenovo thinkpad_e490_firmware 1.34
  • lenovo thinkpad_e490s_firmware 1.34
  • lenovo thinkpad_e590_firmware 1.34
  • lenovo thinkpad_l13_gen_3_firmware 1.14
  • lenovo thinkpad_l13_yoga_gen_3_firmware 1.14
  • lenovo thinkpad_l14_firmware 1.2, 1.3, 1.26
  • lenovo thinkpad_l15_firmware 1.2, 1.3
  • lenovo thinkpad_l15_gen_3_firmware 1.26
  • lenovo thinkpad_l490_firmware 1.32
  • lenovo thinkpad_l590_firmware 1.32
  • lenovo thinkpad_p1_gen_2_firmware 1.46
  • lenovo thinkpad_p1_gen_3_firmware 1.27
  • lenovo thinkpad_p1_gen_4_firmware 1.22
  • lenovo thinkpad_p1_gen_5_firmware 1.16

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.7 CVSS:3.1/AV:L/AC:L/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

Affected products

  • Lenovo ThinkPad BIOS
  • lenovo thinkpad

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns 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.