#VU48706 Missing Authorization in BigBlueButton - CVE-2020-29043 

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU48706

#VU48706 Missing Authorization in BigBlueButton - CVE-2020-29043

Published: November 26, 2020 / Updated: November 30, 2020


Vulnerability identifier: #VU48706
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-29043
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
BigBlueButton
Software vendor:
Blindside Networks

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system. 

The vulnerability exists due to missing authorization in the "account_activations/edit?token=" URI. A remote attacker can create an approved user account associated with an email address that has an arbitrary domain name.


Remediation

Install updates from vendor's website.

External links