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CVE-2020-9453

19
FAUCET Score

CVE-2020-9453 is a denial-of-service vulnerability affecting Epson iProjection v2.30, specifically within the EMP_MPAU.sys driver. Local users can trigger a Blue Screen of Death (BSOD) by providing invalid input to IOCtl 0x9C402406 and 0x9C40240A, or a NULL pointer dereference via IOCtl 0x9C402402. Rated as Medium severity (CVSS 5.5), this vulnerability requires local access and low privileges, with the primary impact being high availability loss. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.30CPE matchmatch criteria
cpe:2.3:a:epson:iprojection:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 87th percentile among its peer group of 15,932 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

epson.com
Product
epson.com / Support/wa00936
PatchVendor Advisory
github.com / FULLSHADE/Kernel-exploits
PatchThird Party Advisory
github.com / FULLSHADE/Kernel-exploits/tree/master/EMP_MPAU.sys
PatchThird Party Advisory