CVE-2021-42205

CVE-2021-42205 is a medium-severity vulnerability in Lenovo Elan Miniport Touchpad Driver with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-703.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-42205?
CVE-2021-42205 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-42205 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42205?
CVE-2021-42205 affects Lenovo Elan Miniport Touchpad Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42205?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-42205 published?
CVE-2021-42205 was published on 2022-11-07 and last updated on 2026-06-17.

References

Affected products (1)

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