A potential vulnerability due to improper buffer validation in the SMI handler LenovoFlashDeviceInterface in Thinkpad X1 Fold Gen 1 could b…

published 2022-04-22 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-24451

cvss: 6.7; 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 17%
public exploits: 0; none known

A potential vulnerability due to improper buffer validation in the SMI handler LenovoFlashDeviceInterface in Thinkpad X1 Fold Gen 1 could be exploited by an attacker with local access and elevated privileges to execute arbitrary code.

Patch / fix

fixed in 1

lenovo thinkpad_x1_fold_gen_1_firmware n2pet50w

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% 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
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

Lenovo ThinkPad BIOS

Classification

Weakness

CWE-20 Improper Input Validation
CWE-269 Improper Privilege Management

References

support.lenovo.com /us/en/product_security/LEN-84943
vendor-advisory

Sources

CVE List CVE-2022-1108
NVD CVE-2022-1108

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.

Summary