What is CVE-2022-4435?

CVE-2022-4435 is a medium-severity vulnerability in Lenovo Thinkpad X13s, classified under Buffer Over-read. CVSS score: 6.7/10. Published 2023-01-05.

How severe is CVE-2022-4435?

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

Out-of-bounds Read in Lenovo Thinkpad X13s

CVE-2022-4435

A buffer over-read vulnerability was reported in the ThinkPadX13s BIOS LenovoRemoteConfigUpdateDxe driver that could allow a local attacker with elevated privileges to cause information disclosure.

EPSS: 0.002 (8.2th 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 Thinkpad X13s — versions Versions prior to 1.47
Lenovo Thinkpad_x13s
Lenovo Thinkpad_x13s_firmware

Weakness classification (CWE)

CWE-126 — Buffer Over-read
CWE-125 — Out-of-bounds Read

References

psirt@lenovo.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-4435?: CVE-2022-4435 is a medium-severity vulnerability in Lenovo Thinkpad X13s, classified under Buffer Over-read. CVSS score: 6.7/10. Published 2023-01-05.
How severe is CVE-2022-4435?: Medium severity. CVSS v3 base score is 6.7 out of 10.