What’s Vulnerable › Vulnerabilities

CVE-2020-29043

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-26 · updated 2026-06-17
• Weakness: 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 products

• bigbluebutton: through 2.2.29

References

• http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.html
• https://cxsecurity.com/issue/WLB-2020110211
• https://github.com/bigbluebutton/bigbluebutton/releases
• http://packetstormsecurity.com/files/160239/BigBlueButton-2.2.29-E-mail-Validation-Bypass.html
• https://cxsecurity.com/issue/WLB-2020110211
• https://github.com/bigbluebutton/bigbluebutton/releases

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