{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.2.29"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "18b75285714bc2eca7a58a0611ff3af267cbd4c7"
            }
          ],
          "repo": "https://github.com/bigbluebutton/bigbluebutton",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "An issue was discovered in BigBlueButton through 2.2.29. A brute-force attack may occur because an unlimited number of codes can be entered for a meeting that is protected by an access code.",
  "id": "CVE-2020-29042",
  "modified": "2026-08-07T11:31:21.543307079Z",
  "published": "2020-11-26T18:15:10.493Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://packetstormsecurity.com/files/160238/BigBlueButton-2.2.29-Brute-Force.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/bigbluebutton/bigbluebutton/releases"
    },
    {
      "type": "EVIDENCE",
      "url": "https://cxsecurity.com/issue/WLB-2020110210"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}