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CVE-2023-4028

17
FAUCET Score

CVE-2023-4028 is a buffer overflow vulnerability in the SystemUserMasterHddPwdDxe driver affecting certain Lenovo Notebook products. An attacker with local access and elevated privileges could exploit this to execute arbitrary code. The CVSS score of 6.7 (MEDIUM) indicates a high impact on confidentiality, integrity, and availability, with low attack complexity. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< jacn38wwCPE matchmatch criteria
cpe:2.3:o:lenovo:13w_yoga_firmware:*:*:*:*:*:*:*:*
< kbcn20wwCPE matchmatch criteria
cpe:2.3:o:lenovo:13w_yoga_gen_2_firmware:*:*:*:*:*:*:*:*
< fqcn29wwCPE matchmatch criteria
cpe:2.3:o:lenovo:ideapad_1-11ada05_firmware:*:*:*:*:*:*:*:*
< dwcn28wwCPE matchmatch criteria
cpe:2.3:o:lenovo:ideapad_1-11igl05_firmware:*:*:*:*:*:*:*:*
< fqcn29wwCPE matchmatch criteria
cpe:2.3:o:lenovo:ideapad_1-14ada05_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
8.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 48th percentile among its peer group of 3,720 CVEs.

Social Chatter

No social media mentions found for this CVE.

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-134879
Vendor Advisory