Vulnerability identifier: #VU48705
Vulnerability risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-307
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
BigBlueButton
Web applications /
Modules and components for CMS
Vendor: Blindside Networks
Description
The vulnerability allows a remote attacker to gain access to the system.
The vulnerability exists due to the two-factor authentication has no brute-force prevention. A remote attacker can launch a brute-force authentication attack and gain access to the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
BigBlueButton: 0.7 - 3.0.0 beta.4
External links
http://packetstormsecurity.com/files/160238/BigBlueButton-2.2.29-Brute-Force.html
http://cxsecurity.com/issue/WLB-2020110210
http://github.com/bigbluebutton/bigbluebutton/releases
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.