{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "6.0.0"
              },
              {
                "fixed": "6.8.4"
              },
              {
                "introduced": "7.0.0"
              },
              {
                "fixed": "7.4.1"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "be68e31588903bde5ebe8fc76e2d850249b7efb6"
            },
            {
              "fixed": "1e4628fc5c490cd5b1afb3d50fd3528f1df45517"
            },
            {
              "introduced": "26101649981400490f8bab334c61a90a1d6325d2"
            },
            {
              "fixed": "b1ac63cdba26194cf35cf94c674c4d5259ced693"
            }
          ],
          "repo": "https://github.com/elastic/logstash",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who is able to connect to the port the Logstash beats input could send a specially crafted network packet that would cause Logstash to stop responding.",
  "id": "CVE-2019-7620",
  "modified": "2026-07-08T05:38:46.016968110Z",
  "published": "2019-10-30T14:15:11.457Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908"
    },
    {
      "type": "ADVISORY",
      "url": "https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.elastic.co/community/security"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}