{
  "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-2020-1816",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2020-1816",
    "idYear": 2020,
    "status": "PUBLISHED",
    "publishedAt": "2020-02-17T23:24:30.000Z",
    "updatedAt": "2024-08-04T06:46:30.940Z",
    "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": "Huawei NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00; Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, and V500R005C00 have a Denial of Service (DoS) vulnerability. Due to improper processing of specific IPSEC packets, remote attackers can send constructed IPSEC packets to affected devices to exploit this vulnerability. Successful exploit could cause the IPSec function of the affected device abnormal.",
      "affected": [
        {
          "vendor": "Huawei",
          "product": "NIP6800",
          "versions": [
            {
              "version": "V500R001C30",
              "status": "affected"
            },
            {
              "version": "V500R001C60SPC500",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "Secospace USG6600, USG9500",
          "versions": [
            {
              "version": "V500R001C30SPC200",
              "status": "affected"
            },
            {
              "version": "V500R001C30SPC600",
              "status": "affected"
            },
            {
              "version": "V500R001C60SPC500",
              "status": "affected"
            },
            {
              "version": "V500R005C00",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}