What’s Vulnerable › Vulnerabilities

CVE-2021-47884: Configuration Tool 1.6.53 - 'OpLclSrv' Unquoted Service Path

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-21 · updated 2026-06-17
• Weakness: CWE-428

Description

OKI Configuration Tool 1.6.53 contains an unquoted service path vulnerability in the OKI Local Port Manager service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files\Okidata\Common\extend3\portmgrsrv.exe' to inject malicious executables and escalate privileges.

Affected products

• OKI Configuration Tool: 1.6.53

References

• https://web.archive.org/web/20211207181409/https://www.oki.com/me/printing/services-and-solutions/smart-solutions/print-job-accounting/index.html
• https://www.exploit-db.com/exploits/49624
• https://www.vulncheck.com/advisories/configuration-tool-oplclsrv-unquoted-service-path

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