CVE-2022-41962— BigBlueButton contains Incorrect Authorization for setting emoji status
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I. Basic Information for CVE-2022-41962
Vulnerability Information
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Vulnerability Title
BigBlueButton contains Incorrect Authorization for setting emoji status
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
BigBlueButton 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BigBlueButton是BigBlueButton社区的一套开源的Web会议系统。 BigBlueButton 2.4-rc-6 和 2.5-alpha-1之前版本存在安全漏洞，该漏洞源于包含设置表情符号状态的错误授权，攻击者利用该漏洞可以使用清除状态功能为其他用户设置任何表情符号状态。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| bigbluebutton | bigbluebutton | <2.4-rc-6 | - |
II. Public POCs for CVE-2022-41962
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · bigbluebutton · 2022-12-16 · 5 CVEs total
| CVE-2022-41964 | 5.7 MEDIUM | BigBlueButton contains Response leaks in anonymous polls |
| CVE-2022-23490 | 4.3 MEDIUM | Improper access control to polling votes |
| CVE-2022-41961 | 4.3 MEDIUM | BigBlueButton subject to Ineffective user bans |
| CVE-2022-41963 | 2.7 LOW | BigBlueButton contains Improper Preservation of Permissions for whiteboard |
IV. Related Vulnerabilities
Same product: bigbluebutton
- CVE-2026-41127
BigBlueButton's missing authorization allows viewer to injec - CVE-2026-41126
BigBlueButton has Open Redirect through bigbluebutton/api/jo - CVE-2026-27736
BigBlueButton has Open Redirect vulnerability in ApiControll - CVE-2026-27467
BigBlueButton: Audio from participants to the server initial - CVE-2026-27466
BigBlueButton: Exposed ClamAV port enables Denial of Service
Same vendor: bigbluebutton
- CVE-2026-41127
BigBlueButton's missing authorization allows viewer to injec - CVE-2026-41126
BigBlueButton has Open Redirect through bigbluebutton/api/jo - CVE-2026-27736
BigBlueButton has Open Redirect vulnerability in ApiControll - CVE-2026-27467
BigBlueButton: Audio from participants to the server initial - CVE-2026-27466
BigBlueButton: Exposed ClamAV port enables Denial of Service
Same weakness: CWE-863
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V. Comments for CVE-2022-41962
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