{
  "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-2021-45918",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-45918",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2022-06-20T05:30:26.758Z",
    "updatedAt": "2024-09-17T04:04:01.665Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "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": "NHI’s health insurance web service component – Heap-based Buffer Overflow",
      "summary": "NHI’s health insurance web service component has insufficient validation for input string length, which can result in heap-based buffer overflow attack. A remote attacker can exploit this vulnerability to flood the memory space reserved for the program, in order to terminate service without authentication, which requires a system restart to recover service.",
      "affected": [
        {
          "vendor": "NHI",
          "product": "health insurance web service component",
          "platforms": [
            "Windows"
          ],
          "versions": [
            {
              "version": "515BE7DE5BCE446177FEE8A6E0665093",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "NHI",
          "product": "health insurance web service component",
          "platforms": [
            "Mac"
          ],
          "versions": [
            {
              "version": "42fcc36541e716e23de77d5f325b186a",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "NHI",
          "product": "health insurance web service component",
          "platforms": [
            "Linux(Ubuntu)"
          ],
          "versions": [
            {
              "version": "52EACB7CA2B4D0A5A869DF01079BF4D6",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "NHI",
          "product": "health insurance web service component",
          "platforms": [
            "Linux(Fedora)"
          ],
          "versions": [
            {
              "version": "52EACB7CA2B4D0A5A869DF01079BF4D6",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}