{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.1.14"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "edea19acdc2b37cb456f0db2161bbed57f59b550"
            }
          ],
          "repo": "https://gitlab.com/lucaapp/web",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "The server in Luca through 1.1.14 allows remote attackers to cause a denial of service (insertion of many fake records related to COVID-19) because Phone Number data lacks a digital signature.",
  "id": "CVE-2021-33840",
  "modified": "2026-03-13T21:55:25.329118740Z",
  "published": "2021-06-04T00:15:07.410Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://gitlab.com/lucaapp/web/-/issues/1#note_560963608"
    },
    {
      "type": "ADVISORY",
      "url": "https://luca-app.de/securityoverview/processes/guest_registration.html#verifying-the-contact-data"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}