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Security audit

Cisco Firewall Hardening

Security checks for vulnerabilities and agentic risk

Overview

This skill is a coherent firewall-configuration generator, but it sends security-related request data to an external API and presents high-impact firewall output as production-ready without enough safety or privacy guidance.

Review this skill before installing in a sensitive environment. Do not submit secrets, real internal user identifiers, production firewall details, or environment-identifying metadata unless you trust the external service and its data handling. Treat generated configurations as drafts only: have a qualified network or security engineer review them, test in staging, and prepare a rollback plan before applying anything to a firewall.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (5)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The skill advertises 'production-ready' firewall hardening output and emphasizes rapid deployment at scale, but it does not warn that generated configurations can disrupt management access, routing, logging, or legitimate traffic if applied without review. In a firewall context, configuration changes directly affect security boundaries and availability, so omission of operational risk warnings can lead users to apply unsafe changes too broadly or prematurely.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
88% confidence
Finding

The documented request fields include sessionId, userId, and timestamp for tracking and audit purposes, but the skill does not clearly disclose that these values are sent to an external third-party API. This creates a transparency and privacy risk because operators may unknowingly transmit internal identifiers or user-linked metadata outside their environment.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
78% confidence
Finding

The skill references an external API endpoint, meaning user-supplied configuration requests and related metadata leave the local trust boundary. External transmission is especially sensitive here because the skill concerns firewall hardening, which may reveal aspects of an organization's security posture, deployment patterns, or operational identifiers to a third party.

Content

Scanner excerpt · SKILL.md (reported line 184)May include surrounding context.

md
## References

- **Kong Route:** https://api.mkkpro.com/hardening/cisco-firewall
- **API Docs:** https://api.mkkpro.com:8140/docs

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
80% confidence
Finding

The OpenAPI manifest exposes a configuration-generation action for security infrastructure without any documented invocation constraints, authorization context, or scope limitations. In a tool that produces firewall hardening configurations, unconstrained use can enable unauthorized or inappropriate generation of sensitive network policy outputs, increasing the risk of misuse or accidental deployment of insecure or environment-mismatched configurations.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
75% confidence
Finding

The request schema accepts fields such as sessionId, userId, timestamp, and hardening options for Cisco firewall generation, but the manifest provides no warning that these inputs may contain sensitive infrastructure or operational identifiers. Without explicit handling guidance, users or integrators may submit production-identifying data that is logged, retained, or processed insecurely, creating unnecessary exposure of network-sensitive information.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.