Auth bypass in Bigbluebutton
CVE-2020-27609
BigBlueButton through 2.2.28 records a video meeting despite the deactivation of video recording in the user interface. This may result in data storage beyond what is authorized for a specific meeting topic or participant.
Vulnerability class: Broken Access Control
EPSS: 0.008 (52.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Bigbluebutton
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Not Applicable)
Frequently asked questions
- What is CVE-2020-27609?
- CVE-2020-27609 is a medium-severity vulnerability in Bigbluebutton, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2020-10-21.
- How severe is CVE-2020-27609?
- Medium severity. CVSS v3 base score is 5.3 out of 10.