Unquoted Service Path Vulnerability in OKI sPSV Port Manager
CVE-2020-37229

8.5HIGH

Key Information:

Vendor

Oki

Status
Oki Spsv Port Manager
Vendor
CVE Published:
16 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37229?

The OKI sPSV Port Manager version 1.0.41 is susceptible to a significant security flaw due to an unquoted service path in the sPSVOpLclSrv service. This vulnerability enables local attackers to gain elevated privileges by placing malicious executable files into the unprotected service path. Once inserted, these executables can execute with LocalSystem privileges when the service is restarted or the system is rebooted, thereby compromising system security. It's crucial for users of this software to implement mitigations to prevent exploitation.

Affected Version(s)

OKI sPSV Port Manager 1.0.41

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-2020-37229 - Proof of Concept

References

https://www.exploit-db.com/exploits/49005
exploit
https://www.oki.com/
product
https://www.oki.com/mx/printing/download/sPSV_010041_2_27...
product

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

Julio Aviña
.