Home/CVE/A buffer overflow has been identified in the SystemUserMasterHddPwdDxe driver in some Lenovo Notebook products which may
CVE

CVE-2023-4028

A buffer overflow has been identified in the SystemUserMasterHddPwdDxe driver in some Lenovo Notebook products which may

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

MEDIUM · CVSS 6.7 EPSS 0.00043
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

29
lenovo 13w yoga firmware< jacn38ww
lenovo 13w yoga gen 2 firmware< kbcn20ww
lenovo ideapad 1-11ada05 firmware< fqcn29ww
lenovo ideapad 1-11igl05 firmware< dwcn28ww
lenovo ideapad 1-14ada05 firmware< fqcn29ww
lenovo ideapad 1-14igl05 firmware< dwcn28ww
lenovo flex 5-14alc05 firmware< gjcn32ww
lenovo flex 5-14are05 firmware< eecn43ww
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · psirt@lenovo.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Aug 2023 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.lenovo.com/us/en/product_security/LEN-134879Vendor Advisory
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