Vulnerability Details : CVE-2022-41964
BigBlueButton is an open source web conferencing system. This vulnerability only affects release candidates of BigBlueButton 2.4. The attacker can start a subscription for poll results before starting an anonymous poll, and use this subscription to see individual responses in the anonymous poll. The attacker had to be a meeting presenter. This issue is patched in version 2.4.0. There are no workarounds.
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2022-41964
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 25 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-41964
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.7
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
2.1
|
3.6
|
NIST |
5.7
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
2.1
|
3.6
|
GitHub, Inc. |
CWE ids for CVE-2022-41964
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: security-advisories@github.com (Primary)
References for CVE-2022-41964
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https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-fgmj-rx7j-fqr4
Response leaks in anonymous polls · Advisory · bigbluebutton/bigbluebutton · GitHubPatch;Third Party Advisory
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https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.0
Release BigBlueButton 2.4.0 · bigbluebutton/bigbluebutton · GitHubRelease Notes;Third Party Advisory
Products affected by CVE-2022-41964
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:alpha1:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:alpha2:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta2:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta1:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta3:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta4:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc5:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc4:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc3:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc1:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc2:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc6:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc7:*:*:*:*:*:*