CVE-2020-9453

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.

• CWE-476

• https://epson.comProduct
• https://epson.com/Support/wa00936Patch, Vendor Advisory
• https://github.com/FULLSHADE/Kernel-exploitsPatch, Third Party Advisory
• https://github.com/FULLSHADE/Kernel-exploits/tree/master/EMP_MPAU.sysPatch, Third Party Advisory
• https://epson.comProduct
• https://epson.com/Support/wa00936Patch, Vendor Advisory
• https://github.com/FULLSHADE/Kernel-exploitsPatch, Third Party Advisory
• https://github.com/FULLSHADE/Kernel-exploits/tree/master/EMP_MPAU.sysPatch, Third Party Advisory

Published

Feb 5, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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