What is CVE-2020-9453?

CVE-2020-9453 is a medium-severity vulnerability in Epson Iprojection, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2021-02-05.

How severe is CVE-2020-9453?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2020-9453 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Epson Iprojection

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.

EPSS: 0.004 (31.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Epson Iprojection
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

References

cve@mitre.org (Product, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9453?: CVE-2020-9453 is a medium-severity vulnerability in Epson Iprojection, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2021-02-05.
How severe is CVE-2020-9453?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-9453 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.