CVE-2020-9453

5.5 mediumEPSS 0.4%

Medium (5.5) in epson iprojection. 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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2021-02-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

epson:iprojection

References

https://epson.com
https://epson.com/Support/wa00936
https://github.com/FULLSHADE/Kernel-exploits
https://github.com/FULLSHADE/Kernel-exploits/tree/master/EMP_MPAU.sys
https://epson.com

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