{
  "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-2025-20134",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-20134",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-08-14T16:28:07.782Z",
    "updatedAt": "2025-08-19T21:41:44.731Z",
    "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 Adaptive Security Appliance and Firepower Threat Defense Software SSL/TLS Certificate Denial of Service Vulnerability",
      "summary": "A vulnerability in the certificate processing of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.\r\n\r\nThis vulnerability is due to improper parsing of SSL/TLS certificates. An attacker could exploit this vulnerability by sending crafted DNS packets that match a static Network Address Translation (NAT) rule with DNS inspection enabled through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.",
      "affected": [
        {
          "vendor": "Cisco",
          "product": "Cisco Adaptive Security Appliance (ASA) Software",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "9.12.4.39",
              "status": "affected"
            },
            {
              "version": "9.12.4.40",
              "status": "affected"
            },
            {
              "version": "9.14.4.6",
              "status": "affected"
            },
            {
              "version": "9.14.4.7",
              "status": "affected"
            },
            {
              "version": "9.12.4.41",
              "status": "affected"
            },
            {
              "version": "9.12.4.47",
              "status": "affected"
            },
            {
              "version": "9.14.4.12",
              "status": "affected"
            },
            {
              "version": "9.12.4.48",
              "status": "affected"
            },
            {
              "version": "9.14.4.13",
              "status": "affected"
            },
            {
              "version": "9.12.4.50",
              "status": "affected"
            },
            {
              "version": "9.14.4.14",
              "status": "affected"
            },
            {
              "version": "9.12.4.52",
              "status": "affected"
            },
            {
              "version": "9.14.4.15",
              "status": "affected"
            },
            {
              "version": "9.12.4.54",
              "status": "affected"
            },
            {
              "version": "9.14.4.17",
              "status": "affected"
            },
            {
              "version": "9.12.4.55",
              "status": "affected"
            },
            {
              "version": "9.14.4.22",
              "status": "affected"
            },
            {
              "version": "9.14.4.23",
              "status": "affected"
            },
            {
              "version": "9.12.4.56",
              "status": "affected"
            },
            {
              "version": "9.12.4.58",
              "status": "affected"
            },
            {
              "version": "9.12.4.62",
              "status": "affected"
            },
            {
              "version": "9.12.4.65",
              "status": "affected"
            },
            {
              "version": "9.12.4.67",
              "status": "affected"
            },
            {
              "version": "9.14.4.24",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Cisco",
          "product": "Cisco Firepower Threat Defense Software",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "6.6.5.2",
              "status": "affected"
            },
            {
              "version": "6.4.0.15",
              "status": "affected"
            },
            {
              "version": "6.6.7",
              "status": "affected"
            },
            {
              "version": "6.4.0.16",
              "status": "affected"
            },
            {
              "version": "6.6.7.1",
              "status": "affected"
            },
            {
              "version": "6.4.0.17",
              "status": "affected"
            },
            {
              "version": "6.6.7.2",
              "status": "affected"
            },
            {
              "version": "6.4.0.18",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}