{
  "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-2021-1466",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-1466",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-11-15T17:04:35.138Z",
    "updatedAt": "2024-11-15T18:20:54.312Z",
    "importedAt": "2026-10-24T01:56:21.187Z",
    "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 SD-WAN vDaemon Buffer Overflow Vulnerability",
      "summary": "A vulnerability in the vDaemon service of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to cause a buffer overflow on an affected system, resulting in a denial of service (DoS) condition.\r\nThe vulnerability is due to incomplete bounds checks for data that is provided to the vDaemon service of an affected system. An attacker could exploit this vulnerability by sending malicious data to the vDaemon listening service on the affected system. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected system, which could allow the attacker to cause the vDaemon listening service to reload and result in a DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.",
      "affected": [
        {
          "vendor": "Cisco",
          "product": "Cisco Catalyst SD-WAN Manager",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "19.2.1",
              "status": "affected"
            },
            {
              "version": "18.4.4",
              "status": "affected"
            },
            {
              "version": "20.1.1.1",
              "status": "affected"
            },
            {
              "version": "20.1.1",
              "status": "affected"
            },
            {
              "version": "19.3.0",
              "status": "affected"
            },
            {
              "version": "19.2.2",
              "status": "affected"
            },
            {
              "version": "19.2.099",
              "status": "affected"
            },
            {
              "version": "18.3.6",
              "status": "affected"
            },
            {
              "version": "18.3.7",
              "status": "affected"
            },
            {
              "version": "19.2.0",
              "status": "affected"
            },
            {
              "version": "18.3.8",
              "status": "affected"
            },
            {
              "version": "19.0.0",
              "status": "affected"
            },
            {
              "version": "19.1.0",
              "status": "affected"
            },
            {
              "version": "18.4.302",
              "status": "affected"
            },
            {
              "version": "18.4.303",
              "status": "affected"
            },
            {
              "version": "19.2.097",
              "status": "affected"
            },
            {
              "version": "19.2.098",
              "status": "affected"
            },
            {
              "version": "17.2.10",
              "status": "affected"
            },
            {
              "version": "18.3.6.1",
              "status": "affected"
            },
            {
              "version": "19.0.1a",
              "status": "affected"
            },
            {
              "version": "18.2.0",
              "status": "affected"
            },
            {
              "version": "18.4.3",
              "status": "affected"
            },
            {
              "version": "18.4.1",
              "status": "affected"
            },
            {
              "version": "17.2.8",
              "status": "affected"
            },
            {
              "version": "18.3.3.1",
              "status": "affected"
            },
            {
              "version": "18.4.0",
              "status": "affected"
            },
            {
              "version": "18.3.1",
              "status": "affected"
            },
            {
              "version": "17.2.6",
              "status": "affected"
            },
            {
              "version": "17.2.9",
              "status": "affected"
            },
            {
              "version": "18.3.4",
              "status": "affected"
            },
            {
              "version": "17.2.5",
              "status": "affected"
            },
            {
              "version": "18.3.1.1",
              "status": "affected"
            },
            {
              "version": "18.3.5",
              "status": "affected"
            },
            {
              "version": "18.4.0.1",
              "status": "affected"
            },
            {
              "version": "18.3.3",
              "status": "affected"
            },
            {
              "version": "17.2.7",
              "status": "affected"
            },
            {
              "version": "17.2.4",
              "status": "affected"
            },
            {
              "version": "18.3.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}