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Fencer Vulns
medium 6.7

CVE-2023-34419 json

A buffer overflow has been identified in the SetupUtility driver in some Lenovo Notebook products which may allow an attacker with local ac…

published 2023-08-17 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-38496

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

A buffer overflow has been identified in the SetupUtility driver in some Lenovo Notebook products which may allow an attacker with local access and elevated privileges to execute arbitrary code.

Patch / fix

  • lenovo legion_5_pro_16iah7h_firmware j2cn51ww
  • lenovo legion_5_pro_16iah7_firmware j2cn51ww
  • lenovo legion_5_15iah7h_firmware j2cn51ww
  • lenovo legion_5_15iah7_firmware j2cn51ww
  • lenovo legion_pro_5_16irx8_firmware kwcn37ww
  • lenovo legion_pro_7_16irx8_firmware kwcn37ww
  • lenovo legion_pro_7_16irx8h_firmware kwcn37ww

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 Lenovo Notebook

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.