{
  "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-2024-20327",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-20327",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-03-13T16:40:38.336Z",
    "updatedAt": "2024-08-01T21:59:42.888Z",
    "importedAt": "2026-10-24T01:57:07.518Z",
    "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 the PPP over Ethernet (PPPoE) termination feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to crash the ppp_ma process, resulting in a denial of service (DoS) condition.\r\n\r This vulnerability is due to the improper handling of malformed PPPoE packets that are received on a router that is running Broadband Network Gateway (BNG) functionality with PPPoE termination on a Lightspeed-based or Lightspeed-Plus-based line card. An attacker could exploit this vulnerability by sending a crafted PPPoE packet to an affected line card interface that does not terminate PPPoE. A successful exploit could allow the attacker to crash the ppp_ma process, resulting in a DoS condition for PPPoE traffic across the router.",
      "affected": [
        {
          "vendor": "Cisco",
          "product": "Cisco IOS XR Software",
          "versions": [
            {
              "version": "5.2.0",
              "status": "affected"
            },
            {
              "version": "5.2.2",
              "status": "affected"
            },
            {
              "version": "5.2.4",
              "status": "affected"
            },
            {
              "version": "5.3.0",
              "status": "affected"
            },
            {
              "version": "5.3.1",
              "status": "affected"
            },
            {
              "version": "5.3.2",
              "status": "affected"
            },
            {
              "version": "5.3.3",
              "status": "affected"
            },
            {
              "version": "5.3.4",
              "status": "affected"
            },
            {
              "version": "6.0.0",
              "status": "affected"
            },
            {
              "version": "6.0.1",
              "status": "affected"
            },
            {
              "version": "6.0.2",
              "status": "affected"
            },
            {
              "version": "6.1.1",
              "status": "affected"
            },
            {
              "version": "6.1.2",
              "status": "affected"
            },
            {
              "version": "6.1.3",
              "status": "affected"
            },
            {
              "version": "6.1.4",
              "status": "affected"
            },
            {
              "version": "6.2.1",
              "status": "affected"
            },
            {
              "version": "6.2.2",
              "status": "affected"
            },
            {
              "version": "6.2.3",
              "status": "affected"
            },
            {
              "version": "6.2.25",
              "status": "affected"
            },
            {
              "version": "6.3.2",
              "status": "affected"
            },
            {
              "version": "6.3.3",
              "status": "affected"
            },
            {
              "version": "6.4.1",
              "status": "affected"
            },
            {
              "version": "6.4.2",
              "status": "affected"
            },
            {
              "version": "6.5.1",
              "status": "affected"
            },
            {
              "version": "6.5.2",
              "status": "affected"
            },
            {
              "version": "6.5.3",
              "status": "affected"
            },
            {
              "version": "6.6.2",
              "status": "affected"
            },
            {
              "version": "6.6.3",
              "status": "affected"
            },
            {
              "version": "6.6.25",
              "status": "affected"
            },
            {
              "version": "7.0.1",
              "status": "affected"
            },
            {
              "version": "7.0.2",
              "status": "affected"
            },
            {
              "version": "7.1.1",
              "status": "affected"
            },
            {
              "version": "7.1.15",
              "status": "affected"
            },
            {
              "version": "7.1.2",
              "status": "affected"
            },
            {
              "version": "7.1.3",
              "status": "affected"
            },
            {
              "version": "6.7.1",
              "status": "affected"
            },
            {
              "version": "6.7.2",
              "status": "affected"
            },
            {
              "version": "6.7.3",
              "status": "affected"
            },
            {
              "version": "7.3.1",
              "status": "affected"
            },
            {
              "version": "7.3.2",
              "status": "affected"
            },
            {
              "version": "7.3.3",
              "status": "affected"
            },
            {
              "version": "7.3.5",
              "status": "affected"
            },
            {
              "version": "7.4.1",
              "status": "affected"
            },
            {
              "version": "7.4.2",
              "status": "affected"
            },
            {
              "version": "6.8.1",
              "status": "affected"
            },
            {
              "version": "6.8.2",
              "status": "affected"
            },
            {
              "version": "7.5.1",
              "status": "affected"
            },
            {
              "version": "7.5.3",
              "status": "affected"
            },
            {
              "version": "7.5.2",
              "status": "affected"
            },
            {
              "version": "7.5.4",
              "status": "affected"
            },
            {
              "version": "7.5.5",
              "status": "affected"
            },
            {
              "version": "7.6.1",
              "status": "affected"
            },
            {
              "version": "7.6.2",
              "status": "affected"
            },
            {
              "version": "7.7.1",
              "status": "affected"
            },
            {
              "version": "7.7.2",
              "status": "affected"
            },
            {
              "version": "6.9.1",
              "status": "affected"
            },
            {
              "version": "6.9.2",
              "status": "affected"
            },
            {
              "version": "7.8.1",
              "status": "affected"
            },
            {
              "version": "7.8.2",
              "status": "affected"
            },
            {
              "version": "7.9.1",
              "status": "affected"
            },
            {
              "version": "7.9.2",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}