Unquoted Service Path Vulnerability in OKI Configuration Tool by OKI
CVE-2021-47884

8.5HIGH

Key Information:

Vendor

Oki

Status
Configuration Tool
Vendor
CVE Published:
21 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47884?

The OKI Configuration Tool version 1.6.53 contains an unquoted service path vulnerability in its Local Port Manager service. This flaw allows local attackers to potentially execute arbitrary code by exploiting an unquoted path at 'C:\Program Files\Okidata\Common\extend3\portmgrsrv.exe'. Successful exploitation could enable attackers to inject malicious executables into the application context, leading to privilege escalation.

Affected Version(s)

Configuration Tool 1.6.53

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-2021-47884 - Proof of Concept

References

https://www.exploit-db.com/exploits/49624
exploit
https://web.archive.org/web/20211207181409/https://www.ok...
product
https://www.vulncheck.com/advisories/configuration-tool-o...
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

Brian Rodriguez
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