What is CVE-2023-4028?

CVE-2023-4028 is a medium-severity vulnerability in Lenovo 13w_yoga, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-08-17.

How severe is CVE-2023-4028?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Lenovo 13w_yoga

CVE-2023-4028

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (8.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Lenovo 13w_yoga
Lenovo 13w_yoga_firmware
Lenovo 13w_yoga_gen_2
Lenovo 13w_yoga_gen_2_firmware
Lenovo Flex_5-14alc05
Lenovo Flex_5-14alc05_firmware
Lenovo Flex_5-14are05
Lenovo Flex_5-14are05_firmware
Lenovo Flex_5-14iil05
Lenovo Flex_5-14iil05_firmware

Weakness classification (CWE)

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

References

psirt@lenovo.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-4028?: CVE-2023-4028 is a medium-severity vulnerability in Lenovo 13w_yoga, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-08-17.
How severe is CVE-2023-4028?: Medium severity. CVSS v3 base score is 6.7 out of 10.