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CVE-2022-4574

20
FAUCET Score

CVE-2022-4574 describes an SMI handler input validation vulnerability in the BIOS of certain Lenovo ThinkPad models. This flaw could enable a local attacker with elevated privileges to execute arbitrary code. With a CVSS score of 6.7 (Medium), the vulnerability requires local access and high privileges, but if exploited, it could lead to high confidentiality, integrity, and availability impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.40CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_x13_yoga_gen_2_firmware:*:*:*:*:*:*:*:*
< 1.45CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_x13_yoga_gen_1_firmware:*:*:*:*:*:*:*:*
< 1.33CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_x13_gen_3_firmware:*:*:*:*:*:*:*:*
< 1.51CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_x13_gen_2_firmware:*:*:*:*:*:*:*:*
< 1.26CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_x13_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.7MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
9.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 50th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.lenovo.com / us/en/product_security/LEN-106014
Vendor Advisory