What’s Vulnerable › Vulnerabilities

CVE-2020-9014

• 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

Description

In Epson iProjection v2.30, the driver file (EMP_NSAU.sys) allows local users to cause a denial of service (BSOD) via crafted input to the virtual audio device driver with IOCTL 0x9C402402, 0x9C402406, or 0x9C40240A. \Device\EMPNSAUIO and \DosDevices\EMPNSAU are similarly affected.

Affected products

• Epson Iprojection: through 2.30

References

• https://epson.com/Support/wa00935
• https://epson.com/wireless-projector-app
• https://github.com/FULLSHADE/Kernel-exploits
• https://github.com/FULLSHADE/Kernel-exploits/tree/master/EMP_NSAU.sys
• https://epson.com/Support/wa00935
• https://epson.com/wireless-projector-app
• https://github.com/FULLSHADE/Kernel-exploits
• https://github.com/FULLSHADE/Kernel-exploits/tree/master/EMP_NSAU.sys

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