{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.4.2"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "f59dd6ee001c206242ccb0e1bc5899dd167674a7"
            }
          ],
          "repo": "https://github.com/ktorio/ktor",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In JetBrains Ktor before 1.4.2, weak cipher suites were enabled by default.",
  "id": "CVE-2021-25763",
  "modified": "2026-03-13T21:51:17.220831903Z",
  "published": "2021-02-03T16:15:14.773Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/"
    },
    {
      "type": "ARTICLE",
      "url": "https://blog.jetbrains.com"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}