CVE-2022-29234
mediumpriority · track · 17EPSS 0.009 · 58 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
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references (17)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-29234/cnnvd
- https://github.com/bigbluebutton/bigbluebutton/pull/13850cnnvd
- https://github.com/bigbluebutton/bigbluebutton/pull/14265cnnvd
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18cnnvd
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.1cnnvd
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-36vc-c338-6xjvcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-29234cnnvd
- https://github.com/bigbluebutton/bigbluebutton/pull/13850enisa_euvd
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