security_fetch_cve_risk_summary
Instant CVE risk verdict. Combines CVSS severity, CISA KEV exploitation status, and EPSS probability in one parallel call. Returns CRITICAL_EXPLOIT, HIGH_RISK, MODERATE, LOW, or UNKNOWN verdict with patch availability from vendor advisories. UNKNOWN means all upstream sources were unreachable — n...
This record as markdown: /tools/dev-7bd0-mcp-server/security-fetch-cve-risk-summary.md
What security_fetch_cve_risk_summary does on DataNexus MCP
AI agents call security_fetch_cve_risk_summary to retrieve information from DataNexus MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
cve_id | string | — | CVE identifier e.g. CVE-2021-44228. Required. |
Parameters from the server's own tool schema.
Why security_fetch_cve_risk_summary is rated Low
This is a data retrieval tool that queries public CVE databases and security feeds. It has no side effects: it does not create, modify, delete, or execute code. The blast radius of misuse is minimal — an agent calling this tool excessively might hit rate limits (60/minute) or cause minor resource consumption, but cannot compromise systems, move data, or trigger destructive actions.
From the tool's definition The tool 'security_fetch_cve_risk_summary' fetches and retrieves CVE risk data from upstream security sources (CVSS severity, CISA KEV, EPSS probability, vendor advisories).
Attacks that exploit this kind of access
The rule that runs security_fetch_cve_risk_summary safely
PolicyLayer is an MCP gateway: it sits between your AI agents and DataNexus MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For security_fetch_cve_risk_summary, this is the rule to start with:
security_fetch_cve_risk_summary is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect DataNexus MCP, apply this rule, and every security_fetch_cve_risk_summary call is checked against it from then on.
Questions about security_fetch_cve_risk_summary
Instant CVE risk verdict. Combines CVSS severity, CISA KEV exploitation status, and EPSS probability in one parallel call. Returns CRITICAL_EXPLOIT, HIGH_RISK, MODERATE, LOW, or UNKNOWN verdict with patch availability from vendor advisories. UNKNOWN means all upstream sources were unreachable — not that risk is low. Rate limit: 60/minute. No auth required. For security engineers triaging vulnerabilities after fetch_cve_watch fires. If this tool's response does not serve the user's need, call report_feedback with feedback_type="agent_gap", tool_id="security_fetch_cve_risk_summary", intended_query="{what the user needed}", gap_description="{what was missing or wrong in the result}". It is categorised as a Read tool in the DataNexus MCP MCP Server, which means it retrieves data without modifying state.
security_fetch_cve_risk_summary accepts 1 parameter: cve_id. The full parameter table on this page comes from the server's own tool schema.
Register the DataNexus MCP server in PolicyLayer and add a rule for security_fetch_cve_risk_summary: 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 DataNexus MCP. Nothing to install.
security_fetch_cve_risk_summary 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 security_fetch_cve_risk_summary 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 security_fetch_cve_risk_summary. 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.
security_fetch_cve_risk_summary is provided by the DataNexus MCP server (dev-7bd0/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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