{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2018-4063",
  "revision": 1,
  "title": "Sierra Wireless AirLink — authenticated upload to code execution",
  "summary": "The device manager on Sierra Wireless AirLink gateways (AirLink ES450, firmware 4.9.3) accepts an upload that lands as executable code reachable from the web server, so a signed-in user ends up with code running on the gateway.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 8.8,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "version": "3.1"
  },
  "epss": 0.27059,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2025-12-12",
    "prerequisites": "An authenticated session on the device's management interface."
  },
  "mitre_attack": [
    "T1190",
    "T1505.003"
  ],
  "kill_chain": "execution",
  "recommended_action": "Replace or isolate the gateway — the product line is end-of-life; follow CISA advisory ICSA-19-122-03 and keep the management interface off routable networks.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2018-4063",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "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": "2026-09-24T08:51:39.744Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2018-4063",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "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-2018-4063",
      "retrieved_at": "2026-09-24T08:51:39.744Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-4063",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "exploit",
      "url": "http://packetstormsecurity.com/files/152648/Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remote-Code-Execution.html"
    },
    {
      "type": "exploit",
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748"
    },
    {
      "type": "exploit",
      "url": "https://www.forescout.com/blog/ot-network-security-threats-industrial-routers-under-attack/"
    }
  ],
  "published_at": "2019-05-06T19:29:00.637Z",
  "issued_at": "2026-09-24T08:51:39.744Z",
  "tags": [
    "sierra-wireless",
    "airlink",
    "ics",
    "file-upload",
    "end-of-life",
    "kev"
  ]
}