Vulnerability Details : CVE-2020-29043
Potential exploit
An issue was discovered in BigBlueButton through 2.2.29. When at attacker is able to view an account_activations/edit?token= URI, the attacker can create an approved user account associated with an email address that has an arbitrary domain name.
Vulnerability category: Information leak
Products affected by CVE-2020-29043
- cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-29043
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-29043
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-29043
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-29043
-
https://cxsecurity.com/issue/WLB-2020110211
BigBlueButton E-mail Validation Bypass - CXSecurity.comExploit;Third Party Advisory
-
https://github.com/bigbluebutton/bigbluebutton/releases
Releases · bigbluebutton/bigbluebutton · GitHubRelease Notes;Third Party Advisory
-
http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.html
BigBlueButton 2.2.29 E-mail Validation Bypass ≈ Packet StormThird Party Advisory
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