CVE-2023-4028

moderate-risk
Published 2023-08-17

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.7/10 Medium
LOCAL / LOW complexity

Affected Products (20)

13W Yoga Firmware
13W Yoga Gen 2 Firmware
Ideapad 1-11Ada05 Firmware
Ideapad 1-11Igl05 Firmware
Ideapad 1-14Ada05 Firmware
Ideapad 1-14Igl05 Firmware
Flex 5-14Alc05 Firmware
Flex 5-14Are05 Firmware
Flex 5-14Iil05 Firmware
Flex 5-14Itl05 Firmware
Flex 5-15Alc05 Firmware
Flex 5-15Iil05 Firmware
Flex 5-15Itl05 Firmware
Ideapad Flex 5 14Abr8 Firmware
Ideapad Flex 5 14Alc7 Firmware
Ideapad Flex 5 14Iau7 Firmware
Ideapad Flex 5 14Iru8 Firmware
Ideapad Flex 5 16Abr8 Firmware
Ideapad Flex 5 16Alc7 Firmware
Ideapad Flex 5 16Iau7 Firmware

Affected Vendors

Lenovo

References (2)

Vendor Advisory https://support.lenovo.com/us/en/product_security/LEN-134879
Vendor Advisory https://support.lenovo.com/us/en/product_security/LEN-134879
43
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 22/34 · High