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Simli — agentic threat model

7.6AIVSS 7.6 · High

Simli is a low-latency streaming avatar API platform presenting moderate security risks primarily centered around real-time content manipulation, deepfake generation, and API abuse, rather than autonomous system-level actions.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 6.5AARS uplift 1.12Factor sum 3.2/10Threat ×1.0Mitigation ×1.0
Autonomy of Action
0.30
Goal-Driven Planning
0.20
Self-Modification
0.10
Dynamic Tool Use
0.20
Persistent Memory
0.30
Contextual Awareness
0.50
Dynamic Identity
0.20
Multi-Agent Interactions
0.10
Non-Determinism
0.70
Opacity & Reflexivity
0.60

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 — Simli likely relies on third-party or proprietary LLMs for text generation paired with specialized video synthesis models, exposing the system to prompt injection, model evasion, and adversarial manipulation of avatar behavior.

L2 · Data Operations⚠ not certain from listing

Not certain from the listing — The platform processes real-time voice and video data, which introduces risks of data exfiltration, unauthorized logging of sensitive conversations, and potential privacy violations if user inputs are used for model fine-tuning.

L3 · Agent Frameworks⚠ not certain from listing

Not certain from the listing — The orchestration framework must synchronize LLM text outputs with real-time video rendering pipelines; vulnerabilities here could allow attackers to bypass conversational constraints or inject malicious instructions into the rendering engine.

L4 · Deployment & Infrastructure⚠ not certain from listing

Not certain from the listing — Low-latency streaming requires high-performance GPU infrastructure and WebRTC/WebSocket connections, making the deployment layer highly susceptible to DDoS, resource exhaustion, and API endpoint exploitation.

L5 · Evaluation & Observability⚠ not certain from listing

Not certain from the listing — Real-time guardrails and observability tools are critical to prevent avatars from generating toxic, brand-damaging, or socially engineered outputs during unscripted interactions, but specific monitoring capabilities are not detailed.

L6 · Security & Compliance (cross-cutting)⚠ not certain from listing

Not certain from the listing — As an API platform, robust authentication, rate limiting, and compliance with biometric/voice data privacy regulations (GDPR/CCPA) are necessary but not explicitly detailed in the public directory.

L7 · Agent Ecosystem⚠ not certain from listing

Not certain from the listing — While designed for integration into third-party applications, there is no mention of a multi-agent marketplace or direct agent-to-agent trust boundaries within the platform itself.

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