Incorrect authorization in BigBlueButton
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-23490 |
| CWE-ID | CWE-863 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
BigBlueButton Web applications / Modules and components for CMS |
| Vendor | Blindside Networks |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Incorrect authorization
EUVDB-ID: #VU70690
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-23490
CWE-ID:
CWE-863 - Incorrect Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to improper access control to polling votes. A remote user can gain access to the contents of the collection, which include the individual poll responses.
MitigationInstall updates from vendor's website.
Vulnerable software versionsBigBlueButton: 2.0 - 2.3.19
External linkshttp://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.0
http://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-4qgc-xhw5-6qfg
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
