Security advisory

{
  "id": "21798745a379abbe2676988f8164e9fd12216aec0a85680ceee3c3b5542c1cfa",
  "url": "https://osv.dev/vulnerability/CVE-2020-8251",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-8251",
    "summary": "Node.js < 14.11.0 is vulnerable to HTTP denial of service (DoS) attacks based on delayed requests submission which can make the server unable to accept new connections.",
    "evidence": "osv:CVE-2020-8251",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-8251",
      "aliases": [
        "BIT-node-2020-8251",
        "BIT-node-min-2020-8251",
        "CVE-2020-8251"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/nodejs/node",
              "type": "GIT",
              "events": [
                {
                  "introduced": "73aa21658dfa6a22c06451d080152b32b1f98dbe"
                },
                {
                  "fixed": "d844fa0a5446ea6848e7afef82eeb671756e0008"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "14.0.0"
                      },
                      {
                        "fixed": "14.11.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v14.10.1",
            "v14.10.0",
            "v14.9.0",
            "v14.8.0",
            "v14.7.0",
            "v14.6.0",
            "v14.5.0",
            "v14.4.0",
            "v14.3.0",
            "v14.2.0",
            "v14.1.0",
            "v14.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8251.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:23.632063756Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/",
        "https://nodejs.org/en/blog/vulnerability/september-2020-security-releases/",
        "https://security.gentoo.org/glsa/202101-07",
        "https://security.netapp.com/advisory/ntap-20201009-0004/",
        "https://hackerone.com/reports/868834"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-8251",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430971,
  "published_at": "2020-09-18T21:15:13.403+00:00"
}