{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-20033",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-20033",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2023-09-27T17:20:18.221Z",
    "updatedAt": "2025-06-18T14:10:56.951Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "A vulnerability in Cisco IOS XE Software for Cisco Catalyst 3650 and Catalyst 3850 Series Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition.\r\n\r This vulnerability is due to improper resource management when processing traffic that is received on the management interface. An attacker could exploit this vulnerability by sending a high rate of traffic to the management interface. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.",
      "affected": [
        {
          "vendor": "Cisco",
          "product": "Cisco IOS XE Software",
          "versions": [
            {
              "version": "16.3.1",
              "status": "affected"
            },
            {
              "version": "16.3.2",
              "status": "affected"
            },
            {
              "version": "16.3.3",
              "status": "affected"
            },
            {
              "version": "16.3.1a",
              "status": "affected"
            },
            {
              "version": "16.3.4",
              "status": "affected"
            },
            {
              "version": "16.3.5",
              "status": "affected"
            },
            {
              "version": "16.3.5b",
              "status": "affected"
            },
            {
              "version": "16.3.6",
              "status": "affected"
            },
            {
              "version": "16.3.7",
              "status": "affected"
            },
            {
              "version": "16.3.8",
              "status": "affected"
            },
            {
              "version": "16.3.9",
              "status": "affected"
            },
            {
              "version": "16.3.10",
              "status": "affected"
            },
            {
              "version": "16.3.11",
              "status": "affected"
            },
            {
              "version": "16.4.1",
              "status": "affected"
            },
            {
              "version": "16.5.1",
              "status": "affected"
            },
            {
              "version": "16.5.1a",
              "status": "affected"
            },
            {
              "version": "16.6.1",
              "status": "affected"
            },
            {
              "version": "16.6.2",
              "status": "affected"
            },
            {
              "version": "16.6.3",
              "status": "affected"
            },
            {
              "version": "16.6.4",
              "status": "affected"
            },
            {
              "version": "16.6.5",
              "status": "affected"
            },
            {
              "version": "16.6.4a",
              "status": "affected"
            },
            {
              "version": "16.6.6",
              "status": "affected"
            },
            {
              "version": "16.6.7",
              "status": "affected"
            },
            {
              "version": "16.6.8",
              "status": "affected"
            },
            {
              "version": "16.6.9",
              "status": "affected"
            },
            {
              "version": "16.6.10",
              "status": "affected"
            },
            {
              "version": "16.7.1",
              "status": "affected"
            },
            {
              "version": "16.8.1",
              "status": "affected"
            },
            {
              "version": "16.8.1a",
              "status": "affected"
            },
            {
              "version": "16.8.1s",
              "status": "affected"
            },
            {
              "version": "16.9.1",
              "status": "affected"
            },
            {
              "version": "16.9.2",
              "status": "affected"
            },
            {
              "version": "16.9.1s",
              "status": "affected"
            },
            {
              "version": "16.9.3",
              "status": "affected"
            },
            {
              "version": "16.9.4",
              "status": "affected"
            },
            {
              "version": "16.9.3a",
              "status": "affected"
            },
            {
              "version": "16.9.5",
              "status": "affected"
            },
            {
              "version": "16.9.6",
              "status": "affected"
            },
            {
              "version": "16.9.7",
              "status": "affected"
            },
            {
              "version": "16.9.8",
              "status": "affected"
            },
            {
              "version": "16.11.1",
              "status": "affected"
            },
            {
              "version": "16.11.2",
              "status": "affected"
            },
            {
              "version": "16.11.1s",
              "status": "affected"
            },
            {
              "version": "16.12.1",
              "status": "affected"
            },
            {
              "version": "16.12.1s",
              "status": "affected"
            },
            {
              "version": "16.12.2",
              "status": "affected"
            },
            {
              "version": "16.12.3",
              "status": "affected"
            },
            {
              "version": "16.12.8",
              "status": "affected"
            },
            {
              "version": "16.12.4",
              "status": "affected"
            },
            {
              "version": "16.12.3s",
              "status": "affected"
            },
            {
              "version": "16.12.3a",
              "status": "affected"
            },
            {
              "version": "16.12.5",
              "status": "affected"
            },
            {
              "version": "16.12.6",
              "status": "affected"
            },
            {
              "version": "16.12.5b",
              "status": "affected"
            },
            {
              "version": "16.12.6a",
              "status": "affected"
            },
            {
              "version": "16.12.7",
              "status": "affected"
            },
            {
              "version": "16.12.9",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}