{"id":"CVE-2020-27612","aliases":["EUVD-2020-20119","GHSA-749r-88fw-9fjh"],"status":"published","title":"Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an...","description":"Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00681,"percentile":0.52777,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2020-10-21T14:08:05Z","modified":"2026-10-24T10:30:36Z","products":[{"vendor":"bigbluebutton","product":"bigbluebutton"}],"references":[{"url":"https://docs.bigbluebutton.org/admin/privacy.html","tags":["x_refsource_MISC","x_transferred","Not Applicable","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27612"},{"url":"https://github.com/advisories/GHSA-749r-88fw-9fjh"}],"sources":{"cve":[{"id":"CVE-2020-27612","description":"Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.","status":"published","published":"2020-10-21T14:08:05Z","modified":"2024-08-04T16:18:44.848Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-20119","description":"Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.","status":"published","published":"2020-10-21T14:08:05Z","modified":"2024-08-04T16:18:44Z","updated_at":"2026-11-03T03:07:12.435876Z"}],"ghsa":[{"id":"GHSA-749r-88fw-9fjh","title":"Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an...","description":"Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.","status":"published","published":"2022-05-24T17:31:45Z","modified":"2023-01-29T05:05:02Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:45:41.669563Z"}],"nvd":[{"id":"CVE-2020-27612","description":"Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.","status":"published","published":"2020-10-21T15:15:27.517Z","modified":"2026-06-17T03:09:21.433Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:06:20.704992Z"}],"osv":[{"id":"CVE-2020-27612","description":"Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.","status":"published","published":"2020-10-21T15:15:27.517Z","modified":"2026-10-24T10:30:36.746482895Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:16.248747Z"}]}}