CVE-2020-9453: Epson Iprojection

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

In Epson iProjection v2.30, the driver file EMP_MPAU.sys allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C402406 and IOCtl 0x9C40240A. (0x9C402402 has only a NULL pointer dereference.) This affects \Device\EMPMPAUIO and \DosDevices\EMPMPAU.

Affected products

• Epson Iprojection: up to and including 2.30

Published 2021-02-05. Last modified 2026-06-17.