{"id":"CVE-2022-29234","state":"PUBLISHED","title":"Grace period for lock settings in public/private chats in BigBlueButton","description":"BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s any lock setting in the meeting was changed. The attacker needs to be a participant in the meeting. Versions 2.3.18 and 2.4.1 contain a patch for this issue. There are currently no known workarounds.","publishedAt":"2022-06-01T23:20:14.000Z","updatedAt":"2025-04-23T18:20:10.802Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["bigbluebutton bigbluebutton"],"affected":[{"vendor":"bigbluebutton","product":"bigbluebutton","versions":[{"version":">= 2.2, < 2.3.18","status":"affected"},{"version":">= 2.4, < 2.4.1","status":"affected"}]}],"references":["https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-36vc-c338-6xjv","https://github.com/bigbluebutton/bigbluebutton/pull/13850","https://github.com/bigbluebutton/bigbluebutton/pull/14265","https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18","https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.1"],"weaknesses":["CWE-285"],"ingestedAt":"2026-10-29T19:49:57.813Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/29xxx/CVE-2022-29234.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-29234","state":"PUBLISHED","datePublished":"2022-06-01T23:20:14.000Z","dateUpdated":"2025-04-23T18:20:10.802Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2022-04-13T00:00:00.000Z"},"containers":{"cna":{"title":"Grace period for lock settings in public/private chats in BigBlueButton","descriptions":[{"lang":"en","value":"BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s any lock setting in the meeting was changed. The attacker needs to be a participant in the meeting. Versions 2.3.18 and 2.4.1 contain a patch for this issue. 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