Unquoted Service Path Vulnerability in OKI Print Job Accounting
CVE-2021-47887

8.5HIGH

Key Information:

Vendor

Oki

Status
Print Job Accounting
Vendor
CVE Published:
21 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47887?

OKI Print Job Accounting version 4.4.10 presents an unquoted service path vulnerability in the OkiJaSvc service. This security flaw allows local attackers to potentially execute arbitrary code by exploiting the unquoted service path located at 'C:\Program Files\Okidata\Print Job Accounting'. By injecting malicious executables, attackers can escalate privileges and compromise the integrity of the system.

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Affected Version(s)

Print Job Accounting 4.4.10

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-2021-47887 - Proof of Concept

References

https://www.exploit-db.com/exploits/49623
exploit
https://web.archive.org/web/20211207181409/https://www.ok...
product
https://www.vulncheck.com/advisories/print-job-accounting...
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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