CVE-2022-29236 is a medium-severity vulnerability affecting BigBlueButton versions 2.2 through 2.3.17 and 2.4-rc-5, allowing authenticated meeting participants to bypass whiteboard drawing access restrictions. The flaw stems from a skipped permission check on the server due to a grace period implementation. While the attack complexity is low and no user interaction is required, the impact is limited to unauthorized drawing on the whiteboard, with no confidentiality or availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.2.0, < 2.3.18CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:* | ||
2.4CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:alpha1:*:*:*:*:*:* | ||
2.4CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:alpha2:*:*:*:*:*:* | ||
2.4CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta1:*:*:*:*:*:* | ||
2.4CPE matchmatch criteria | cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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