Unquoted Service Path Vulnerability in Epson USB Display Software
CVE-2021-47898

8.5HIGH

Key Information:

Vendor

Epson America, Inc.

Status
Epson Usb Display
Vendor
CVE Published:
23 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47898?

Epson USB Display 1.6.0.0 has a critical vulnerability due to an unquoted service path in the EMP_UDSA service, which operates under LocalSystem privileges. This flaw enables attackers to exploit the service by placing malicious executables in intermediate directories, thereby gaining elevated system access. Ensuring proper service path configuration is essential to mitigate the risk of unauthorized access and potential system compromise.

Affected Version(s)

Epson USB Display 1.6.0.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47898 - Proof of Concept

References

https://www.exploit-db.com/exploits/49548
exploit
https://epson.com.mx/
product
https://www.vulncheck.com/advisories/epson-usb-display-un...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Hector Gerbacio
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