{
  "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-2020-8558",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2020-8558",
    "idYear": 2020,
    "status": "PUBLISHED",
    "publishedAt": "2020-07-27T19:55:19.321Z",
    "updatedAt": "2024-09-16T22:40:40.949Z",
    "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": "Kubernetes node setting allows for neighboring hosts to bypass localhost boundary",
      "summary": "The Kubelet and kube-proxy components in versions 1.1.0-1.16.10, 1.17.0-1.17.6, and 1.18.0-1.18.3 were found to contain a security issue which allows adjacent hosts to reach TCP and UDP services bound to 127.0.0.1 running on the node or in the node's network namespace. Such a service is generally thought to be reachable only by other processes on the same host, but due to this defeect, could be reachable by other hosts on the same LAN as the node, or by containers running on the same node as the service.",
      "affected": [
        {
          "vendor": "Kubernetes",
          "product": "Kubernetes",
          "versions": [
            {
              "version": "prior to 1.18.4",
              "status": "affected"
            },
            {
              "version": "prior to 1.17.7",
              "status": "affected"
            },
            {
              "version": "prior to 1.16.11",
              "status": "affected"
            },
            {
              "version": "1.15",
              "status": "affected"
            },
            {
              "version": "1.14",
              "status": "affected"
            },
            {
              "version": "1.13",
              "status": "affected"
            },
            {
              "version": "1.12",
              "status": "affected"
            },
            {
              "version": "1.11",
              "status": "affected"
            },
            {
              "version": "1.10",
              "status": "affected"
            },
            {
              "version": "1.9",
              "status": "affected"
            },
            {
              "version": "1.8",
              "status": "affected"
            },
            {
              "version": "1.7",
              "status": "affected"
            },
            {
              "version": "1.6",
              "status": "affected"
            },
            {
              "version": "1.5",
              "status": "affected"
            },
            {
              "version": "1.4",
              "status": "affected"
            },
            {
              "version": "1.3",
              "status": "affected"
            },
            {
              "version": "1.2",
              "status": "affected"
            },
            {
              "version": "1.1",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}