{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.2.29"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "18b75285714bc2eca7a58a0611ff3af267cbd4c7"
            }
          ],
          "repo": "https://github.com/bigbluebutton/bigbluebutton",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An issue was discovered in BigBlueButton through 2.2.29. When at attacker is able to view an account_activations/edit?token= URI, the attacker can create an approved user account associated with an email address that has an arbitrary domain name.",
  "id": "CVE-2020-29043",
  "modified": "2026-03-15T21:51:10.375231646Z",
  "published": "2020-11-26T18:15:10.633Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/bigbluebutton/bigbluebutton/releases"
    },
    {
      "type": "EVIDENCE",
      "url": "https://cxsecurity.com/issue/WLB-2020110211"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}