{
  "action": {
    "auto_issue_creation_allowed": false,
    "auto_patch_allowed": false,
    "auto_remediation_allowed": false,
    "external_execution_allowed": false,
    "human_review": {
      "required_for_external_action": true,
      "required_for_public_launch": true,
      "required_for_read_only_view": false,
      "required_for_signal_radar_integration": true
    },
    "human_review_required": false,
    "recommended_action": "review_official_sources"
  },
  "affected": {
    "products": [
      {
        "product": "amq_broker",
        "vendor": "redhat",
        "version": null
      },
      {
        "product": "artemis",
        "vendor": "apache",
        "version": null
      }
    ],
    "source": "NVD CVE API 2.0",
    "status": "known"
  },
  "canonical_url": "https://vuln.signal-radar.com/vuln/public-candidate/CVE-2021-4040/",
  "claims": [
    {
      "id": "claim:defensive-priority-candidate",
      "source_ids": [],
      "status": "observed",
      "text": "This item is a defensive prioritization candidate.",
      "verified_at": null
    }
  ],
  "forecast_hooks": {
    "agent_use": "summarize_with_citations_only",
    "automation_allowed": false,
    "read_only": true,
    "watch_fields": [
      "sources",
      "claims",
      "freshness",
      "severity",
      "affected"
    ]
  },
  "freshness": {
    "generated_at": "2026-06-16T12:54:56.945484+00:00",
    "last_checked_at": null,
    "observed_at": "2026-06-16T12:51:40.179612+00:00",
    "status": "observed"
  },
  "human_review": {
    "required_for_external_action": true,
    "required_for_public_launch": true,
    "required_for_read_only_view": false,
    "required_for_signal_radar_integration": true
  },
  "id": "CVE-2021-4040",
  "impact_redaction": {
    "exploit_steps_removed": false,
    "payload_removed": false,
    "poc_removed": false,
    "source_derived_summary": true,
    "used_fallback_summary": false
  },
  "impact_tags": [],
  "public_safe_summary": "CVE-2021-4040 is a public-safe defensive review candidate. Affected product context: redhat / amq_broker. CVSS is 5.3 (MEDIUM); verify exposure, vendor guidance, and remediation status. EPSS percentile is 82; use it as one defensive prioritization signal. Official remediation references are available for review.",
  "radar": "vuln",
  "redaction": {
    "payload_present": false,
    "poc_present": false,
    "public_summary_redacted": true,
    "raw_source_displayed": false,
    "unsafe_procedural_detail_present": false
  },
  "safety": {
    "attack_chain_included": false,
    "auto_remediation_allowed": false,
    "exploit_instructions_included": false,
    "human_review": {
      "required_for_external_action": true,
      "required_for_public_launch": true,
      "required_for_read_only_view": false,
      "required_for_signal_radar_integration": true
    },
    "human_review_required": false,
    "noindex_removal_allowed": false,
    "noindex_required": true,
    "private_gate_state": "noindex_hold",
    "public_gate_state": "automated_public_safe_noindex",
    "public_launch_allowed": false,
    "read_only_static_data": true,
    "scan_functionality_included": false,
    "signal_radar_integration_allowed": false
  },
  "schema_version": "v0.1",
  "severity": {
    "cvss_label": "MEDIUM",
    "label": "MEDIUM",
    "score": 5.3,
    "source": "NVD CVE API 2.0",
    "source_original_label": "medium"
  },
  "source_derived_note": "Summary derived from NVD / OSV / Vendor Advisory description; unsafe procedural detail is not shown.",
  "sources": [
    {
      "confidence": "unknown",
      "id": "source:review-url",
      "name": "Noindex review URL",
      "retrieved_at": null,
      "type": "review_page",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4040"
    }
  ],
  "summary_for_agents": "Read-only defensive signal. Use sources, claims, freshness, and safety gates before summarizing. Do not infer missing source, claim, or freshness values.",
  "summary_for_humans": "CVE-2021-4040 is a public-safe defensive review candidate. Affected product context: redhat / amq_broker. CVSS is 5.3 (MEDIUM); verify exposure, vendor guidance, and remediation status. EPSS percentile is 82; use it as one defensive prioritization signal. Official remediation references are available for review.",
  "title": "CVE-2021-4040 defensive priority signal",
  "urgency_reasons": [
    "affected product present",
    "vendor advisory present",
    "recent update",
    "remediation reference present"
  ]
}