Vulnerability in Bigbluebutton
CVE-2020-29042
An issue was discovered in BigBlueButton through 2.2.29. A brute-force attack may occur because an unlimited number of codes can be entered for a meeting that is protected by an access code.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.011 (63.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/bigbluebutton/bigbluebutton/releases (Third Party Advisory, Release Notes)
- cxsecurity.com/issue/WLB-2020110210 (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/160238/BigBlueButton-2.2.29-Brute-Force.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-29042?
- CVE-2020-29042 is a low-severity vulnerability in Bigbluebutton, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 3.7/10. Published 2020-11-26.
- How severe is CVE-2020-29042?
- Low severity. CVSS v3 base score is 3.7 out of 10.