{
  "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-2023-20266",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-20266",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2023-08-30T16:18:42.528Z",
    "updatedAt": "2025-07-01T13:45:58.935Z",
    "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": null,
      "summary": "A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device.\r\n\r This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to elevate privileges to root. To exploit this vulnerability, the attacker must have valid platform administrator credentials on an affected device.",
      "affected": [
        {
          "vendor": "Cisco",
          "product": "Cisco Emergency Responder",
          "versions": [
            {
              "version": "12.5(1)SU4",
              "status": "affected"
            },
            {
              "version": "12.5(1)SU8a",
              "status": "affected"
            },
            {
              "version": "14SU3",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Cisco",
          "product": "Cisco Unity Connection",
          "versions": [
            {
              "version": "12.5(1)SU6",
              "status": "affected"
            },
            {
              "version": "12.5(1)SU7",
              "status": "affected"
            },
            {
              "version": "12.5(1)SU8",
              "status": "affected"
            },
            {
              "version": "14SU2",
              "status": "affected"
            },
            {
              "version": "14SU3",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Cisco",
          "product": "Cisco Unified Communications Manager",
          "versions": [
            {
              "version": "12.5(1)SU8",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}