What is CVE-2021-42205?

CVE-2021-42205 is a medium-severity vulnerability in Lenovo Elan Miniport Touchpad Driver, classified under CWE-703. CVSS score: 4.7/10. Published 2022-11-07.

How severe is CVE-2021-42205?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2021-42205 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Lenovo Elan Miniport Touchpad Driver

CVE-2021-42205

ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple manufacturers, allows local users to cause a system crash by sending a certain IOCTL request, because that request is handled twice.

EPSS: 0.003 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Lenovo Elan_miniport_touchpad_driver
N/a — versions n/a

Weakness classification (CWE)

CWE-703

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2021-42205?: CVE-2021-42205 is a medium-severity vulnerability in Lenovo Elan Miniport Touchpad Driver, classified under CWE-703. CVSS score: 4.7/10. Published 2022-11-07.
How severe is CVE-2021-42205?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2021-42205 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.