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CVE-2023-4028

MEDIUM
6.7
CVSS Score
Published: August 17, 2023 at 04:48 PM UTC
Updated: June 17, 2026 at 06:36 AM UTC
62 products affected across 1 vendorIdeapad 1-11igl05 FirmwareIdeapad 1-14igl05 FirmwareIdeapad 1-11ada05 Firmware

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

13W Yoga Firmware· Lenovo
95%
v < jacn38ww
Affected range stops below jacn38ww, so it looks safe — our inference, not a vendor statement
13W Yoga Gen 2 Firmware· Lenovo
95%
v < kbcn20ww
Affected range stops below kbcn20ww, so it looks safe — our inference, not a vendor statement
Flex 5-14alc05 Firmware· Lenovo
95%
v < gjcn32ww
Affected range stops below gjcn32ww, so it looks safe — our inference, not a vendor statement
lenovo-flex-5-14alc05 (same device)
Flex 5-14are05 Firmware· Lenovo
95%
v < eecn43ww
Affected range stops below eecn43ww, so it looks safe — our inference, not a vendor statement
Flex 5-14iil05 Firmware· Lenovo
95%
v < eccn45ww
Affected range stops below eccn45ww, so it looks safe — our inference, not a vendor statement
Flex 5-14itl05 Firmware· Lenovo
95%
v < fxcn44ww
Affected range stops below fxcn44ww, so it looks safe — our inference, not a vendor statement
Flex 5-15alc05 Firmware· Lenovo
95%
v < gjcn32ww
Affected range stops below gjcn32ww, so it looks safe — our inference, not a vendor statement
Flex 5-15iil05 Firmware· Lenovo
95%
v < eccn45ww
Affected range stops below eccn45ww, so it looks safe — our inference, not a vendor statement
Flex 5-15itl05 Firmware· Lenovo
95%
v < fxcn44ww
Affected range stops below fxcn44ww, so it looks safe — our inference, not a vendor statement
lenovo-flex-5-15itl05 (same device)
Flex 7 14IRU8 Firmware· Lenovo
95%
v < l6cn20ww
Affected range stops below l6cn20ww, so it looks safe — our inference, not a vendor statement
lenovo-flex-7-14iru8 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://support.lenovo.com/us/en/product_security/LEN-134879

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUMlenovo
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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