CVE-2023-43572

moderate-risk

Published 2023-11-08

A buffer over-read was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to disclose sensitive information.

Do I need to act?

0.04% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.4/10 Medium

LOCAL / LOW complexity

Affected Products (20)

Ideacentre C5-14Imb05 Firmware

Ideacentre 3-07Ada05 Firmware

Ideacentre 3-07Imb05 Firmware

Ideacentre 5 14Iab7 Firmware

Ideacentre 5 14Irb8 Firmware

Ideacentre 5-14Acn6 Firmware

Ideacentre T540-15Ama G Firmware

Thinkcentre Neo 70T Gen 3 Firmware

Thinkcentre Neo 50T Gen 3 Firmware

Thinkcentre Neo 50A 24 Gen 4 Firmware

Thinkcentre Neo 50A 24 Gen 3 Firmware

Thinkcentre Neo 30A 27 Gen 4 Firmware

Thinkcentre Neo 30A 27 Gen 3 Firmware

Thinkcentre Neo 30A 24 Gen 4 Firmware

Thinkcentre Neo 30A 24 Gen 3 Firmware

Thinkcentre Neo 30A 22 Gen 4 Firmware

Thinkcentre Neo 30A 22 Gen 3 Firmware

Thinkcentre M920Z All-In-One Firmware

Thinkcentre M90T Gen 3 Firmware

Affected Vendors

Lenovo

References (2)

Vendor Advisory https://support.lenovo.com/us/en/product_security/LEN-141775

/ 100

moderate-risk

Severity 15/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 31/34 · Critical