CVE-2022-41962
CVE-2022-41962 is a low-severity vulnerability in Bigbluebutton with a CVSS 3.x base score of 2.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: Low (CVSS 3.x base score 2.7)
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Bigbluebutton
- Published:
- Last modified:
Description
BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6, and 2.5-alpha-1 contain Incorrect Authorization for setting emoji status. A user with moderator rights can use the clear status feature to set any emoji status for other users. Moderators should only be able to set none as the status of other users. This issue is patched in 2.4-rc-6 and 2.5-alpha-1There are no workarounds.
Frequently asked questions
- What is CVE-2022-41962?
- BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6, and 2.5-alpha-1 contain Incorrect Authorization for setting emoji status. A user with moderator rights can use the clear status feature to set any emoji status for other users. Moderators should only be able to set none as the status of other users. This issue is patched in 2.4-rc-6 and 2.5-alpha-1There are no workarounds.
- How severe is CVE-2022-41962?
- CVE-2022-41962 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2022-41962 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-41962?
- CVE-2022-41962 primarily affects Bigbluebutton. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-41962?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-41962 published?
- CVE-2022-41962 was published on 2022-12-16 and last updated on 2026-06-17.
References
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.5-alpha-1
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-88qf-33qm-9mm7
Affected products (11)
- cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*
- 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:beta1:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:beta2:*:*:*:*:*:*
- 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:rc1:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc3:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc4:*:*:*:*:*:*
- cpe:2.3:a:bigbluebutton:bigbluebutton:2.4:rc5:*:*:*:*:*:*
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