Windows CLI MCP Server — agentic threat model
The Windows CLI MCP Server presents an extremely high-risk profile because it grants LLMs direct shell access (PowerShell/CMD) to the host system. Its security entirely depends on the robustness of its allow/deny command filters and the sandboxing of the underlying host environment.
OWASP AIVSS score rationale
| Autonomy of Action | 0.80 | |
| Goal-Driven Planning | 0.20 | |
| Self-Modification | 0.10 | |
| Dynamic Tool Use | 0.90 | |
| Persistent Memory | 0.10 | |
| Contextual Awareness | 0.20 | |
| Dynamic Identity | 0.20 | |
| Multi-Agent Interactions | 0.10 | |
| Non-Determinism | 0.50 | |
| Opacity & Reflexivity | 0.30 |
Scored with the canonical OWASP AIVSS formula (AIVSS calculator reference); agentic risk factors estimated from the agent’s described capabilities.
MAESTRO 7-layer threat model
Per-layer threats for this agent. Layers tagged “not certain from listing” are general, caveated commentary where the public description didn’t pin that layer.
Not certain from the listing — The MCP server itself does not bundle a specific foundation model, but it is highly vulnerable to downstream model jailbreaks or prompt injections that force the orchestrating LLM to generate malicious shell commands.
Not certain from the listing — No explicit data operations or vector stores are mentioned, but shell access allows reading/writing arbitrary files on the host system, risking data exfiltration or poisoning of local files.
The MCP server integrates directly with agent frameworks to expose PowerShell/CMD/Git Bash tools. The primary threat is tool misuse where the agent executes destructive commands (e.g., file deletion, system configuration changes) due to poor orchestration or injection.
Runs directly on Windows hosts. Without strict sandboxing (e.g., Windows Sandbox, containers), compromise of this service leads to host-level privilege escalation, local file access, and lateral network movement.
Not certain from the listing — No built-in logging or observability features are detailed beyond standard MCP protocol outputs, creating blind spots for executed shell commands unless external OS-level auditing is configured.
Relies on an allow/deny configuration as its primary safety boundary. If misconfigured or bypassed, it fails to meet basic compliance standards (e.g., least privilege) by allowing arbitrary code execution.
Not certain from the listing — While designed for MCP-compliant ecosystems, there is no native multi-agent coordination, though a compromised agent in a multi-agent system could abuse this server to compromise the host.
MAESTRO — the 7-layer agentic threat-modeling framework (Cloud Security Alliance / Ken Huang).
These scores are auto-generated from public information (the agent's own listing, docs, and repository) using the canonical OWASP AIVSS formula and the MAESTRO framework — an estimate for guidance, not a penetration test, audit, or certification. See the scoring methodology. Are you the vendor? Factual corrections are free.