{
  "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-2023-5393",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-5393",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-04-11T19:20:20.553Z",
    "updatedAt": "2024-08-02T07:59:44.301Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "Server receiving a malformed message that causes a disconnect to a hostname may causing a stack overflow resulting in possible remote code execution. Honeywell recommends updating to the most recent version of the product. See Honeywell Security Notification for recommendations on upgrading and versioning.\n\n \n\n",
      "affected": [
        {
          "vendor": "Honeywell",
          "product": "Experion Server",
          "platforms": [
            "Experion PKS"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "520.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "520.2 TCU4"
            },
            {
              "version": "510.1",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "510.2 HF13"
            },
            {
              "version": "520.1",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "520.1 TCU4"
            },
            {
              "version": "511.1",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "511.5 TCU4 HF3"
            }
          ]
        },
        {
          "vendor": "Honeywell",
          "product": "Experion Server",
          "platforms": [
            "Experion LX"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "520.2",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "520.2 TCU4"
            },
            {
              "version": "511.1",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "511.5 TCU4 HF3"
            },
            {
              "version": "520.1",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "520.1 TCU4"
            }
          ]
        },
        {
          "vendor": "Honeywell",
          "product": "Experion Server",
          "platforms": [
            "PlantCruise by Experion"
          ],
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "520.2",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "520.2 TCU4"
            },
            {
              "version": "520.1",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "520.1 TCU4"
            },
            {
              "version": "520.2 TCU4 HFR2",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "511.5 TCU4 HF3"
            }
          ]
        }
      ]
    }
  }
}