Vulnerability Details : 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.
Products affected by CVE-2020-29042
- cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-29042
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-29042
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
3.7
|
LOW | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
2.2
|
1.4
|
NIST |
CWE ids for CVE-2020-29042
-
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-29042
-
https://github.com/bigbluebutton/bigbluebutton/releases
Releases · bigbluebutton/bigbluebutton · GitHubRelease Notes;Third Party Advisory
-
http://packetstormsecurity.com/files/160238/BigBlueButton-2.2.29-Brute-Force.html
BigBlueButton 2.2.29 Brute Force ≈ Packet StormThird Party Advisory
-
https://cxsecurity.com/issue/WLB-2020110210
BigBlueButton Meeting Access Code Brute Force Vulnerability - CXSecurity.comExploit;Third Party Advisory
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