CVEvulnerability
CVE-2020-29043
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-11-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-200
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.
Affected configurations
• bigbluebutton bigbluebutton (<= 2.2.29)
Related
Weakness · CWE (1)
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
References
- http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.html Third Party Advisory
- https://cxsecurity.com/issue/WLB-2020110211 Exploit, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/releases Release Notes, Third Party Advisory
- http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.html Third Party Advisory
- https://cxsecurity.com/issue/WLB-2020110211 Exploit, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/releases Release Notes, Third Party Advisory