{
  "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-2025-20219",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-20219",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-08-14T16:28:40.010Z",
    "updatedAt": "2025-08-14T20:44:27.252Z",
    "importedAt": "2026-10-24T01:57:24.991Z",
    "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": "Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Access Control Bypass Vulnerability",
      "summary": "A vulnerability in the implementation of access control rules for loopback interfaces in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to send traffic that should have been blocked to a loopback interface.\r\n\r\nThis vulnerability is due to improper enforcement of access control rules for loopback interfaces. An attacker could exploit this vulnerability by sending traffic to a loopback interface on an affected device. A successful exploit could allow the attacker to bypass configured access control rules and send traffic that should have been blocked to a loopback interface on the device.",
      "affected": [
        {
          "vendor": "Cisco",
          "product": "Cisco Adaptive Security Appliance (ASA) Software",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "9.18.2",
              "status": "affected"
            },
            {
              "version": "9.18.2.5",
              "status": "affected"
            },
            {
              "version": "9.18.2.7",
              "status": "affected"
            },
            {
              "version": "9.19.1",
              "status": "affected"
            },
            {
              "version": "9.18.2.8",
              "status": "affected"
            },
            {
              "version": "9.18.3",
              "status": "affected"
            },
            {
              "version": "9.19.1.5",
              "status": "affected"
            },
            {
              "version": "9.19.1.9",
              "status": "affected"
            },
            {
              "version": "9.18.3.39",
              "status": "affected"
            },
            {
              "version": "9.19.1.12",
              "status": "affected"
            },
            {
              "version": "9.18.3.46",
              "status": "affected"
            },
            {
              "version": "9.19.1.18",
              "status": "affected"
            },
            {
              "version": "9.18.3.53",
              "status": "affected"
            },
            {
              "version": "9.18.3.55",
              "status": "affected"
            },
            {
              "version": "9.18.3.56",
              "status": "affected"
            },
            {
              "version": "9.20.1",
              "status": "affected"
            },
            {
              "version": "9.19.1.22",
              "status": "affected"
            },
            {
              "version": "9.18.4",
              "status": "affected"
            },
            {
              "version": "9.20.1.5",
              "status": "affected"
            },
            {
              "version": "9.18.4.5",
              "status": "affected"
            },
            {
              "version": "9.19.1.24",
              "status": "affected"
            },
            {
              "version": "9.18.4.8",
              "status": "affected"
            },
            {
              "version": "9.20.2",
              "status": "affected"
            },
            {
              "version": "9.19.1.27",
              "status": "affected"
            },
            {
              "version": "9.18.4.22",
              "status": "affected"
            },
            {
              "version": "9.20.2.10",
              "status": "affected"
            },
            {
              "version": "9.19.1.28",
              "status": "affected"
            },
            {
              "version": "9.18.4.24",
              "status": "affected"
            },
            {
              "version": "9.20.2.21",
              "status": "affected"
            },
            {
              "version": "9.19.1.31",
              "status": "affected"
            },
            {
              "version": "9.18.4.29",
              "status": "affected"
            },
            {
              "version": "9.20.2.22",
              "status": "affected"
            },
            {
              "version": "9.18.4.34",
              "status": "affected"
            },
            {
              "version": "9.20.3",
              "status": "affected"
            },
            {
              "version": "9.18.4.40",
              "status": "affected"
            },
            {
              "version": "9.22.1.1",
              "status": "affected"
            },
            {
              "version": "9.20.3.4",
              "status": "affected"
            },
            {
              "version": "9.18.4.47",
              "status": "affected"
            },
            {
              "version": "9.20.3.7",
              "status": "affected"
            },
            {
              "version": "9.19.1.37",
              "status": "affected"
            },
            {
              "version": "9.20.3.9",
              "status": "affected"
            },
            {
              "version": "9.19.1.38",
              "status": "affected"
            },
            {
              "version": "9.18.4.50",
              "status": "affected"
            },
            {
              "version": "9.22.1.2",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Cisco",
          "product": "Cisco Firepower Threat Defense Software",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "7.3.0",
              "status": "affected"
            },
            {
              "version": "7.3.1",
              "status": "affected"
            },
            {
              "version": "7.3.1.1",
              "status": "affected"
            },
            {
              "version": "7.4.0",
              "status": "affected"
            },
            {
              "version": "7.4.1",
              "status": "affected"
            },
            {
              "version": "7.4.1.1",
              "status": "affected"
            },
            {
              "version": "7.3.1.2",
              "status": "affected"
            },
            {
              "version": "7.6.0",
              "status": "affected"
            },
            {
              "version": "7.4.2",
              "status": "affected"
            },
            {
              "version": "7.4.2.1",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}