{
  "id": "cve-2018-0173",
  "cveID": "CVE-2018-0173",
  "vendor": "Cisco",
  "product": "IOS and IOS XE Software",
  "vulnerabilityName": "Cisco IOS and IOS XE Software Improper Input Validation Vulnerability",
  "shortDescription": "A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets can allow for denial-of-service (DoS).",
  "requiredAction": "Apply updates per vendor instructions.",
  "dateAdded": "2022-03-03",
  "dueDate": "2022-03-17",
  "knownRansomware": false,
  "cwes": [
    "CWE-20"
  ],
  "notes": "https://nvd.nist.gov/vuln/detail/CVE-2018-0173",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-0173"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-0173"
    }
  ],
  "cvss": {
    "score": 8.6,
    "severity": "HIGH",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"
  },
  "epss": {
    "score": 0.07608,
    "percentile": 0.94182
  },
  "timeline": [
    {
      "date": "2022-03-03",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2022-03-17",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}