CVE-2020-29043

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.htmlThird Party Advisory
https://cxsecurity.com/issue/WLB-2020110211Exploit, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/releasesRelease Notes, Third Party Advisory
http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.htmlThird Party Advisory
https://cxsecurity.com/issue/WLB-2020110211Exploit, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/releasesRelease Notes, Third Party Advisory

Timeline

Published: Nov 26, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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