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mcp-threatintel (aplaceforallmystuff) — agentic threat model

7.5AIVSS 7.5 · High

The mcp-threatintel server acts as a high-value target due to its aggregation of multiple API keys and its exposure to indirect prompt injection via untrusted, attacker-controlled threat intelligence data.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 6.8AARS uplift 0.74Factor sum 2.3/10Threat ×1.0Mitigation ×1.0
Autonomy of Action
0.20
Goal-Driven Planning
0.10
Self-Modification
0.00
Dynamic Tool Use
0.40
Persistent Memory
0.10
Contextual Awareness
0.30
Dynamic Identity
0.20
Multi-Agent Interactions
0.50
Non-Determinism
0.30
Opacity & Reflexivity
0.20

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.

L1 · Foundation Models⚠ not certain from listing

Not certain from the listing — The listing describes an MCP server tool rather than a specific foundation model. It is model-agnostic and inherits the vulnerabilities of whichever LLM calls it.

L2 · Data Operations✓ mapped

Aggregates external threat intelligence feeds (OTX, AbuseIPDB, GreyNoise, abuse.ch). This introduces a significant data poisoning and tool-output injection risk, as attackers can deliberately populate threat feeds with malicious payloads designed to exploit downstream LLM parsers.

L3 · Agent Frameworks✓ mapped

Integrates as an MCP tool. The primary threat is indirect prompt injection (tool-output injection) where an agent calling this tool receives malicious payloads embedded in threat intel feeds, leading to hijacking of the calling agent's execution flow.

L4 · Deployment & Infrastructure✓ mapped

The MCP server holds API keys for multiple threat intelligence sources. If the host environment or the MCP communication channel is compromised, these keys could be exfiltrated.

L5 · Evaluation & Observability⚠ not certain from listing

Not certain from the listing — No specific logging, monitoring, or guardrails are mentioned in the directory listing to detect anomalous queries or malicious payloads returned from the feeds.

L6 · Security & Compliance (cross-cutting)✓ mapped

The server manages API keys for external services. There is no mention of built-in encryption for these stored keys or access control mechanisms to restrict which client agents can invoke specific high-privilege feeds.

L7 · Agent Ecosystem✓ mapped

Designed to be called by other agents in an MCP ecosystem. A compromised or malicious agent could abuse this tool to perform reconnaissance, or a poisoned feed could trigger cascading failures across multiple downstream agents relying on the same MCP host.

MAESTRO — the 7-layer agentic threat-modeling framework (Cloud Security Alliance / Ken Huang).