CVE-2023-43798
5.6 · MEDIUMOverview
CVE-2023-43798 is a medium-severity vulnerability affecting bigbluebutton bigbluebutton. It was published on October 30, 2023 and has a CVSS 3.1 base score of 5.6 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.6, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
BigBlueButton is an open-source virtual classroom. BigBlueButton prior to versions 2.6.12 and 2.7.0-rc.1 is vulnerable to Server-Side Request Forgery (SSRF). This issue is a bypass of CVE-2023-33176. A patch in versions 2.6.12 and 2.7.0-rc.1 disabled follow redirect at `httpclient.execute` since the software no longer has to follow it when using `finalUrl`. There are no known workarounds. We recommend upgrading to a patched version of BigBlueButton.
Remediation
Check the references section for vendor advisories and patches from bigbluebutton. Update bigbluebutton to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| bigbluebutton | bigbluebutton | >= 0, < 2.6.12 | Affected |
References
Frequently Asked Questions
What is CVE-2023-43798?
CVE-2023-43798 is a medium-severity vulnerability affecting bigbluebutton bigbluebutton. It was published on October 30, 2023 and has a CVSS 3.1 base score of 5.6 (MEDIUM).
How severe is CVE-2023-43798?
This vulnerability has a CVSS 3.1 base score of 5.6, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-43798?
Check the references section for vendor advisories and patches from bigbluebutton. Update bigbluebutton to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-43798?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-43798 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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