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CVE-2022-4575

19
FAUCET Score

CVE-2022-4575 describes a vulnerability in the BIOS of certain Lenovo ThinkPad models, stemming from improper write protection of UEFI variables. This flaw allows an attacker with physical or local access and elevated privileges to bypass Secure Boot. Rated as Medium severity (CVSS 6.7), the vulnerability requires high privileges and local access, but successful exploitation could lead to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.73CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_25_firmware:*:*:*:*:*:*:*:*
< 1.62CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_l560_firmware:*:*:*:*:*:*:*:*
< 1.71CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_p50_firmware:*:*:*:*:*:*:*:*
< 1.45CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_p50s_firmware:*:*:*:*:*:*:*:*
< 2.45CPE matchmatch criteria
cpe:2.3:o:lenovo:thinkpad_p70_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
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 47th 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