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Security audit

VMware Esxi Hardening

Security checks for vulnerabilities and agentic risk

Overview

This skill is a coherent ESXi hardening configuration generator, but users should review its remote API data sharing and generated configurations before use.

Before installing, treat this as a remote API integration: do not send internal conversation IDs, credentials, hostnames, or sensitive identifiers as sessionId or userId. Review and test generated ESXi configurations in a non-production environment with rollback access before applying them to real hosts.

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
Findings (1)

other

Warning
Location
SKILL.md:102
Finding

Unnecessary Collection of Session and User Tracking Identifiers

Content
View full analysis
Remediation
View remediation

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 (3)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The documentation describes generating ESXi hardening configurations but does not warn users that applying those files can alter firewall, authentication, logging, and service settings in ways that may lock out administrators, disrupt workloads, or affect management access. In a security-hardening skill, omission of operational safety warnings is dangerous because users may treat the generated output as safe-to-apply automation without staging, rollback planning, or compatibility review.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 167)May include surrounding context.

md
# References

- **Kong Route:** https://api.mkkpro.com/hardening/vmware-esxi
- **API Docs:** https://api.mkkpro.com:8146/docs

Vague Triggers

Low
Category
Not specified by scanner
Confidence
78% confidence
Finding

This is a manifest-format file, so vague-trigger checks apply. The hardeningOptions field is defined as a generic object with arbitrary property names and string-array values, but the schema does not enumerate valid option names or otherwise constrain scope, which makes invocation/input intent ambiguous and increases the chance of unintended or unsupported option usage.

Content

No source excerpt is available for this finding.