moodle: BigBlueButton web service leaks meeting joining information to users who should not have access

{
  "id": "04348912e6a06c832fc12fdaf4ce642b30396986315a4b4ac35214b2967b1853",
  "url": "https://osv.dev/vulnerability/CVE-2024-38273",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "moodle: BigBlueButton web service leaks meeting joining information to users who should not have access",
    "summary": "Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.",
    "evidence": "osv:CVE-2024-38273",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-38273",
      "aliases": [
        "BIT-moodle-2024-38273",
        "CVE-2024-38273",
        "GHSA-x29x-qwvx-fxr2"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/moodle/moodle",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0ea3d45e04c3d54a3a472ddcb11606b30e227c50"
                },
                {
                  "fixed": "c8c84b4af18d50224c17a4a3193e1374fec26625"
                },
                {
                  "introduced": "ae4efa96ee8169a848c141ad21690165ea791552"
                },
                {
                  "fixed": "2d41ac46f45d49872db03db14ea3cfda1152c62c"
                },
                {
                  "introduced": "fe7aff8093240cc373f1ddaa66ecb91c4bc0a09f"
                },
                {
                  "fixed": "7dcfaa79f78e100fcb0b52f4e99d13f354ca0f23"
                },
                {
                  "introduced": "ee91c6536f99e1633e2245780c4fe7f47340ed66"
                },
                {
                  "last_affected": "ee91c6536f99e1633e2245780c4fe7f47340ed66"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.1.0"
                      },
                      {
                        "fixed": "4.1.11"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2.0"
                      },
                      {
                        "fixed": "4.2.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.3.0"
                      },
                      {
                        "fixed": "4.3.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:moodle:moodle:4.4.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.4.0"
                      },
                      {
                        "last_affected": "4.4.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.4.0",
            "v4.1.10",
            "v4.3.4",
            "v4.2.7",
            "v4.4.0",
            "v4.2.6",
            "v4.3.3",
            "v4.1.9",
            "v4.1.8",
            "v4.2.5",
            "v4.3.2",
            "v4.2.4",
            "v4.1.7",
            "v4.3.1",
            "v4.3.0",
            "v4.2.3",
            "v4.1.6",
            "v4.1.5",
            "v4.2.2",
            "v4.2.1",
            "v4.1.4",
            "v4.2.0",
            "v4.1.3",
            "v4.1.2",
            "v4.1.1",
            "v4.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-38273.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.248304608Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F7AZYR7EXV6E5SQE2GYTNQE3NOENJCQ6/",
        "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GHTIX55J4Q4LEOMLNEA4OZSWVEENQX7E/",
        "https://moodle.org/mod/forum/discuss.php?d=459498",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/38xxx/CVE-2024-38273.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-38273"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-284"
        ],
        "cna_assigner": "fedora",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.4"
                  },
                  {
                    "last_affected": "4.4"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.3"
                  },
                  {
                    "last_affected": "4.3.4"
                  },
                  {
                    "introduced": "4.2"
                  },
                  {
                    "last_affected": "4.2.7"
                  },
                  {
                    "introduced": "4.1"
                  },
                  {
                    "last_affected": "4.1.10"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/38xxx/CVE-2024-38273.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-38273",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 518958,
  "published_at": "2024-06-18T19:49:02.639+00:00"
}