{
  "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-2020-1866",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2020-1866",
    "idYear": 2020,
    "status": "PUBLISHED",
    "publishedAt": "2021-01-13T22:22:04.000Z",
    "updatedAt": "2024-08-04T06:53:59.744Z",
    "importedAt": "2026-10-24T01:56:17.081Z",
    "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": "There is an out-of-bounds read vulnerability in several products. The software reads data past the end of the intended buffer when parsing certain crafted DHCP messages. Successful exploit could cause certain service abnormal. Affected product versions include:NIP6800 versions V500R001C30,V500R001C60SPC500,V500R005C00;S12700 versions V200R008C00;S2700 versions V200R008C00;S5700 versions V200R008C00;S6700 versions V200R008C00;S7700 versions V200R008C00;S9700 versions V200R008C00;Secospace USG6600 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00;USG9500 versions V500R001C30SPC300,V500R001C30SPC600,V500R001C60SPC500,V500R005C00.",
      "affected": [
        {
          "vendor": "n/a",
          "product": "NIP6800;S12700;S2700;S5700;S6700;S7700;S9700;Secospace USG6600;USG9500",
          "versions": [
            {
              "version": "V500R001C30,V500R001C60SPC500,V500R005C00",
              "status": "affected"
            },
            {
              "version": "V200R008C00",
              "status": "affected"
            },
            {
              "version": "V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00",
              "status": "affected"
            },
            {
              "version": "V500R001C30SPC300,V500R001C30SPC600,V500R001C60SPC500,V500R005C00",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}