CVE-2022-23488— BigBlueButton vulnerable to Insertion of Sensitive Information Into Sent Data
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I. Basic Information for CVE-2022-23488
Vulnerability Information
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Vulnerability Title
BigBlueButton vulnerable to Insertion of Sensitive Information Into Sent Data
Source: NVD (National Vulnerability Database)
Vulnerability Description
BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6 are vulnerable to Insertion of Sensitive Information Into Sent Data. The moderators-only webcams lock setting is not enforced on the backend, which allows an attacker to subscribe to viewers' webcams, even when the lock setting is applied. (The required streamId was being sent to all users even with lock setting applied). This issue is fixed in version 2.4-rc-6. There are no workarounds.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过发送数据的信息暴露
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之前版本存在安全漏洞，该漏洞源于存在将敏感信息插入发送数据的漏洞，后端不强制使用版主专用网络摄像头锁定设置，即使应用了锁定设置也允许攻击者订阅观众的网络摄像头。
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-2022-23488
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-201
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HCL BigFix Service Management (SM) does not adequately sanit - CVE-2026-42379
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Improper authorization vulnerability in GitHub Enterprise Se - CVE-2026-40161
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Vault Token Leaked to Backends via Authorization: Bearer Pas
V. Comments for CVE-2022-23488
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