CVE-2021-42205 json
ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple manufacturers, allows local users to cause a…
published 2022-11-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29187
- cvss
- 4.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 19%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- lenovo elan_miniport_touchpad_driver 24.21.51.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
Classification
- Weakness
-
- CWE-703 Improper Check or Handling of Exceptional Conditions
References
Sources
- CVE List CVE-2021-42205
- NVD CVE-2021-42205
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.