{
  "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-2026-20057",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-20057",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-03-04T17:47:07.960Z",
    "updatedAt": "2026-03-04T21:32:46.370Z",
    "importedAt": "2026-10-24T01:57:55.771Z",
    "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 Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability",
      "summary": "Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. \r\n \r\nThis vulnerability is due to lack of proper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending a crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to unexpectedly restart causing a a denial of service (DoS) condition.",
      "affected": [
        {
          "vendor": "Cisco",
          "product": "Cisco Cyber Vision",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "3.0.0",
              "status": "affected"
            },
            {
              "version": "3.0.2",
              "status": "affected"
            },
            {
              "version": "3.0.3",
              "status": "affected"
            },
            {
              "version": "3.0.1",
              "status": "affected"
            },
            {
              "version": "3.1.0",
              "status": "affected"
            },
            {
              "version": "3.0.4",
              "status": "affected"
            },
            {
              "version": "3.1.1",
              "status": "affected"
            },
            {
              "version": "3.1.2",
              "status": "affected"
            },
            {
              "version": "3.2.0",
              "status": "affected"
            },
            {
              "version": "3.0.5",
              "status": "affected"
            },
            {
              "version": "3.2.1",
              "status": "affected"
            },
            {
              "version": "3.0.6",
              "status": "affected"
            },
            {
              "version": "3.2.2",
              "status": "affected"
            },
            {
              "version": "3.2.3",
              "status": "affected"
            },
            {
              "version": "3.2.4",
              "status": "affected"
            },
            {
              "version": "4.0.0",
              "status": "affected"
            },
            {
              "version": "4.0.1",
              "status": "affected"
            },
            {
              "version": "4.0.2",
              "status": "affected"
            },
            {
              "version": "4.0.3",
              "status": "affected"
            },
            {
              "version": "4.1.0",
              "status": "affected"
            },
            {
              "version": "4.1.1",
              "status": "affected"
            },
            {
              "version": "4.1.2",
              "status": "affected"
            },
            {
              "version": "4.1.3",
              "status": "affected"
            },
            {
              "version": "4.1.4",
              "status": "affected"
            },
            {
              "version": "4.2.0",
              "status": "affected"
            },
            {
              "version": "4.2.1",
              "status": "affected"
            },
            {
              "version": "4.1.5",
              "status": "affected"
            },
            {
              "version": "4.2.2",
              "status": "affected"
            },
            {
              "version": "4.2.X",
              "status": "affected"
            },
            {
              "version": "4.2.3",
              "status": "affected"
            },
            {
              "version": "4.2.4",
              "status": "affected"
            },
            {
              "version": "4.2.6",
              "status": "affected"
            },
            {
              "version": "4.1.6",
              "status": "affected"
            },
            {
              "version": "4.3.0",
              "status": "affected"
            },
            {
              "version": "4.3.1",
              "status": "affected"
            },
            {
              "version": "4.3.2",
              "status": "affected"
            },
            {
              "version": "4.3.3",
              "status": "affected"
            },
            {
              "version": "4.4.0",
              "status": "affected"
            },
            {
              "version": "4.4.1",
              "status": "affected"
            },
            {
              "version": "4.4.2",
              "status": "affected"
            },
            {
              "version": "4.4.3",
              "status": "affected"
            },
            {
              "version": "4.1.7",
              "status": "affected"
            },
            {
              "version": "5.0.0",
              "status": "affected"
            },
            {
              "version": "5.0.1",
              "status": "affected"
            },
            {
              "version": "5.0.2",
              "status": "affected"
            },
            {
              "version": "5.1.0",
              "status": "affected"
            },
            {
              "version": "5.1.1",
              "status": "affected"
            },
            {
              "version": "5.1.2",
              "status": "affected"
            },
            {
              "version": "5.1.3",
              "status": "affected"
            },
            {
              "version": "5.2.0",
              "status": "affected"
            },
            {
              "version": "5.2.1",
              "status": "affected"
            },
            {
              "version": "5.3.0",
              "status": "affected"
            },
            {
              "version": "5.3.1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Cisco",
          "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "7.2.0",
              "status": "affected"
            },
            {
              "version": "7.2.0.1",
              "status": "affected"
            },
            {
              "version": "7.2.1",
              "status": "affected"
            },
            {
              "version": "7.3.0",
              "status": "affected"
            },
            {
              "version": "7.2.2",
              "status": "affected"
            },
            {
              "version": "7.2.3",
              "status": "affected"
            },
            {
              "version": "7.3.1",
              "status": "affected"
            },
            {
              "version": "7.2.4",
              "status": "affected"
            },
            {
              "version": "7.2.5",
              "status": "affected"
            },
            {
              "version": "7.2.4.1",
              "status": "affected"
            },
            {
              "version": "7.3.1.1",
              "status": "affected"
            },
            {
              "version": "7.4.0",
              "status": "affected"
            },
            {
              "version": "7.2.5.1",
              "status": "affected"
            },
            {
              "version": "7.4.1",
              "status": "affected"
            },
            {
              "version": "7.2.6",
              "status": "affected"
            },
            {
              "version": "7.4.1.1",
              "status": "affected"
            },
            {
              "version": "7.2.7",
              "status": "affected"
            },
            {
              "version": "7.2.5.2",
              "status": "affected"
            },
            {
              "version": "7.3.1.2",
              "status": "affected"
            },
            {
              "version": "7.2.8",
              "status": "affected"
            },
            {
              "version": "7.6.0",
              "status": "affected"
            },
            {
              "version": "7.4.2",
              "status": "affected"
            },
            {
              "version": "7.2.8.1",
              "status": "affected"
            },
            {
              "version": "7.4.2.1",
              "status": "affected"
            },
            {
              "version": "7.2.9",
              "status": "affected"
            },
            {
              "version": "7.7.0",
              "status": "affected"
            },
            {
              "version": "7.4.2.2",
              "status": "affected"
            },
            {
              "version": "7.2.10",
              "status": "affected"
            },
            {
              "version": "7.6.1",
              "status": "affected"
            },
            {
              "version": "7.4.2.3",
              "status": "affected"
            },
            {
              "version": "7.6.2",
              "status": "affected"
            },
            {
              "version": "7.7.10",
              "status": "affected"
            },
            {
              "version": "7.6.2.1",
              "status": "affected"
            },
            {
              "version": "7.7.10.1",
              "status": "affected"
            },
            {
              "version": "7.4.2.4",
              "status": "affected"
            },
            {
              "version": "7.2.10.2",
              "status": "affected"
            },
            {
              "version": "7.4.3",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Cisco",
          "product": "Cisco UTD SNORT IPS Engine Software",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "17.12.1a",
              "status": "affected"
            },
            {
              "version": "17.12.2",
              "status": "affected"
            },
            {
              "version": "17.13.1a",
              "status": "affected"
            },
            {
              "version": "17.12.3",
              "status": "affected"
            },
            {
              "version": "17.14.1a",
              "status": "affected"
            },
            {
              "version": "17.12.4",
              "status": "affected"
            },
            {
              "version": "17.12.3a",
              "status": "affected"
            },
            {
              "version": "17.15.1a",
              "status": "affected"
            },
            {
              "version": "17.16.1a",
              "status": "affected"
            },
            {
              "version": "17.12.4a",
              "status": "affected"
            },
            {
              "version": "17.15.2c",
              "status": "affected"
            },
            {
              "version": "17.12.4b",
              "status": "affected"
            },
            {
              "version": "17.15.2a",
              "status": "affected"
            },
            {
              "version": "17.12.5",
              "status": "affected"
            },
            {
              "version": "17.17.1",
              "status": "affected"
            },
            {
              "version": "17.12.5a",
              "status": "affected"
            },
            {
              "version": "17.15.3a",
              "status": "affected"
            },
            {
              "version": "17.15.3",
              "status": "affected"
            },
            {
              "version": "17.12.5b",
              "status": "affected"
            },
            {
              "version": "17.12.5c",
              "status": "affected"
            },
            {
              "version": "17.15.4",
              "status": "affected"
            },
            {
              "version": "17.18.1",
              "status": "affected"
            },
            {
              "version": "17.18.1a",
              "status": "affected"
            },
            {
              "version": "17.12.6",
              "status": "affected"
            },
            {
              "version": "17.15.4c",
              "status": "affected"
            },
            {
              "version": "17.12.5d",
              "status": "affected"
            },
            {
              "version": "17.18.2",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}