{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2021-22986",
  "revision": 1,
  "title": "F5 BIG-IP iControl — Unauthenticated Remote Command Execution",
  "summary": "An attacker who can reach the management interface of F5's application delivery controller (BIG-IP) can run system commands on it without logging in first.",
  "source_type": "cve",
  "severity": "critical",
  "cvss": {
    "score": 9.8,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "version": "3.1"
  },
  "epss": 0.99898,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2021-11-03",
    "prerequisites": "Network access to the management interface"
  },
  "remediation": {
    "patch_available": true,
    "fixed_in": [
      "BIG-IP 16.0.1.1",
      "BIG-IP 15.1.2.1",
      "BIG-IP 14.1.4",
      "BIG-IP 13.1.3.6",
      "BIG-IP 12.1.5.3",
      "BIG-IQ 7.1.0.3",
      "BIG-IQ 7.0.0.2"
    ]
  },
  "mitre_attack": [
    "T1190"
  ],
  "kill_chain": "initial_access",
  "recommended_action": "Patch to a fixed version per F5 advisory K03009991, or block network access to the management interface until you can.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2021-22986",
      "retrieved_at": "2026-08-07T16:57:17.024Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-08-07T16:57:17.024Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2021-22986",
      "retrieved_at": "2026-08-07T16:57:17.024Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2021-22986",
      "retrieved_at": "2026-08-07T16:57:17.024Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22986",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "vendor_advisory",
      "url": "https://support.f5.com/csp/article/K03009991"
    },
    {
      "type": "exploit",
      "url": "http://packetstormsecurity.com/files/162059/F5-iControl-Server-Side-Request-Forgery-Remote-Command-Execution.html"
    },
    {
      "type": "exploit",
      "url": "http://packetstormsecurity.com/files/162066/F5-BIG-IP-16.0.x-Remote-Code-Execution.html"
    }
  ],
  "published_at": "2021-03-31T15:15:15.153Z",
  "issued_at": "2026-08-07T16:57:17.024Z",
  "tags": [
    "f5",
    "big-ip",
    "network-device",
    "rce"
  ]
}