Low severity · published Dec 16, 2022
CVE-2022-41962
BigBlueButton is an open source web conferencing system
2.7
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Bigbluebutton · Bigbluebutton
before 2.4; 2.4; 2.4; 2.4; 2.4; 2.4; +5 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-41962
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-41962
Release Notes
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-rc-6
Release Notes
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.5-alpha-1
Patch
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-88qf-33qm-9mm7
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