AI agents call list_system_administrators to retrieve information from Fortimanager without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries FortiManager to enumerate system administrators. While it performs no destructive or write operations, the information retrieved (admin account details) is sensitive and could enable lateral movement or privilege escalation attacks if exploited by an AI agent.
From the tool's definition Tool name is 'list_system_administrators', which retrieves a list of user accounts with administrative access to FortiManager. The 'list' verb indicates querying/retrieving data without modification.
Documented attack patterns abuse exactly the kind of access list_system_administrators gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Fortimanager, and nothing reaches the server without passing your rules. This is the rule we recommend for list_system_administrators:
{
"version": "1",
"default": "deny",
"tools": {
"list_system_administrators": {}
}
}list_system_administrators is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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list_system_administrators. It is categorised as a Read tool in the Fortimanager MCP Server, which means it retrieves data without modifying state.
Register the Fortimanager MCP server in PolicyLayer and add a rule for list_system_administrators: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Fortimanager. Nothing to install.
list_system_administrators is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_system_administrators rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for list_system_administrators. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
list_system_administrators is provided by the Fortimanager MCP server (jmpijll/fortimanager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Fortimanager, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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584 Fortimanager tools catalogued and risk-classified — across an index of 43,000+ MCP servers.