CVE-2020-9453

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory epson.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://epson.com product
https://github.com/FULLSHADE/Kernel-exploits third party advisory patch
https://github.com/FULLSHADE/Kernel-exploits/tree/master/EMP_MPAU.sys third party advisory patch
https://epson.com/Support/wa00936 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-9453?
CVE-2020-9453 has been scored as a medium severity vulnerability.
How to fix CVE-2020-9453?
To fix CVE-2020-9453, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-9453 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-9453 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.