{
  "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-2023-21405",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-21405",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2023-07-25T07:34:36.652Z",
    "updatedAt": "2024-11-08T08:37:04.140Z",
    "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": "Denial-of-Service vulnerability in Axis Network Door Controller's and Axis Network Intercom's OSDP communication",
      "summary": "Knud from Fraktal.fi has found a flaw in some Axis Network Door Controllers and Axis Network\nIntercoms when communicating over OSDP, highlighting that the OSDP message parser crashes\nthe pacsiod process, causing a temporary unavailability of the door-controlling functionalities\nmeaning that doors cannot be opened or closed. No sensitive or customer data can be extracted\nas the Axis device is not further compromised. Please refer to the Axis security advisory for more information, mitigation and affected products and software versions.",
      "affected": [
        {
          "vendor": "Axis Communications AB",
          "product": "AXIS A1001 Network Door Controller",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "AXIS OS 1.65.4 or earlier",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Axis Communications AB",
          "product": "AXIS A1210-B Network Door Controller",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "AXIS OS 11.0 - 11.6.16.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Axis Communications AB",
          "product": "AXIS A1601 Network Door Controller",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "AXIS OS 1.84.4 or earlier",
              "status": "affected"
            },
            {
              "version": "AXIS OS 10.12.171.0 or earlier",
              "status": "affected"
            },
            {
              "version": "AXIS OS 11.0 - 11.6.16.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Axis Communications AB",
          "product": "AXIS A1610 (-B) Network Door Controller",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "AXIS OS 10.12.171.0 or earlier",
              "status": "affected"
            },
            {
              "version": "AXIS OS 11.0 - 11.6.16.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Axis Communications AB",
          "product": "AXIS A8207-VE Network Video Door Station",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "AXIS OS 10.12.178 or earlier",
              "status": "affected"
            },
            {
              "version": "AXIS OS AXIS OS 11.0 - 11.5.53",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Axis Communications AB",
          "product": "AXIS A8207-VE Mk II Network Video Door Station",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "AXIS OS 10.12.178 or earlier",
              "status": "affected"
            },
            {
              "version": "AXIS OS AXIS OS 11.0 - 11.5.53",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}