cme_ldap · CrackMapExec MCP Server MCP: Risk & Policy

WHAT IT DOES

What cme_ldap does on CrackMapExec MCP Server

AI agents invoke cme_ldap to trigger actions in CrackMapExec MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why cme_ldap needs a policy

While LDAP enumeration itself could be classified as Read, the explicit mention of 'Execute' and 'custom LDAP queries' means this tool can run arbitrary LDAP operations that go beyond simple lookups. LDAP injection and custom queries can enumerate sensitive information (users, credentials, group memberships, delegation rights) and potentially trigger directory service operations.

From the tool's definition Tool description states it "Execute[s] LDAP protocol operations" and supports "Active Directory enumeration including users, computers, groups, delegation, and custom LDAP queries." The word 'Execute' combined with the capability to run custom LDAP queries…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cme_ldap Rate-limited

cme_ldap stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "cme_ldap": {
      "limits": [
        {
          "counter": "cme_ldap_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches CrackMapExec MCP Server, so you can run agents against it safely.

FAQ

Questions about cme_ldap

What does the cme_ldap tool do? +

Execute LDAP protocol operations. Supports Active Directory enumeration including users, computers, groups, delegation, and custom LDAP queries. It is categorised as a Execute tool in the CrackMapExec MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on cme_ldap? +

Register the CrackMapExec MCP Server MCP server in PolicyLayer and add a rule for cme_ldap: 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 CrackMapExec MCP Server. Nothing to install.

What risk level is cme_ldap? +

cme_ldap is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit cme_ldap? +

Yes. Add a rate_limit block to the cme_ldap 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.

How do I block cme_ldap completely? +

Set action: deny in the PolicyLayer policy for cme_ldap. 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.

What MCP server provides cme_ldap? +

cme_ldap is provided by the CrackMapExec MCP Server MCP server (schwarztim/sec-crackmapexec-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.