Information disclosure in Bigbluebutton
CVE-2022-29232
BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a meeting on the server. BigBlueButton versions 2.3.9 and 2.4-beta-1 contain a patch for this issue. There are currently no known workarounds.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Bigbluebutton — versions >= 2.2, < 2.3.9, 2.4, >= 2.4-alpha-1, < 2.4-beta-1
Weakness classification (CWE)
References
- github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3fqh-p4qr-vfm9 (Patch, Third Party Advisory)
- github.com/bigbluebutton/bigbluebutton/pull/12861 (Patch, Third Party Advisory)
- github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.9 (Third Party Advisory, Release Notes)
- github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-beta-1 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2022-29232?
- CVE-2022-29232 is a medium-severity vulnerability in Bigbluebutton, classified under Information Disclosure. CVSS score: 6.5/10. Published 2022-06-01.
- How severe is CVE-2022-29232?
- Medium severity. CVSS v3 base score is 6.5 out of 10.