What’s Vulnerable › Vulnerabilities

CVE-2020-9453

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-05 · updated 2026-06-17
• Weakness: CWE-476

Description

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: through 2.30

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

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