What is CVE-2022-41964?

CVE-2022-41964 is a medium-severity vulnerability in Bigbluebutton, classified under Information Disclosure. CVSS score: 5.7/10. Published 2022-12-16.

How severe is CVE-2022-41964?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Information disclosure in Bigbluebutton

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 class: Information Disclosure

EPSS: 0.006 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

Affected products

Bigbluebutton — versions >= 2.4-alpha-1, < 2.4.0, 2.4

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2022-41964?: CVE-2022-41964 is a medium-severity vulnerability in Bigbluebutton, classified under Information Disclosure. CVSS score: 5.7/10. Published 2022-12-16.
How severe is CVE-2022-41964?: Medium severity. CVSS v3 base score is 5.7 out of 10.