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cvelistGitHub_MCVELIST:CVE-2022-29232
HistoryJun 01, 2022 - 10:25 p.m.

CVE-2022-29232 Exposure of messages in BigBlueButton public chats

2022-06-0122:25:12
CWE-200
GitHub_M
www.cve.org
1
bigbluebutton
web conferencing
access controls
public chat
security vulnerability

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

30.3%

BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a meeting on the server. BigBlueButton versions 2.3.9 and 2.4-beta-1 contain a patch for this issue. There are currently no known workarounds.

CNA Affected

[
  {
    "product": "bigbluebutton",
    "vendor": "bigbluebutton",
    "versions": [
      {
        "status": "affected",
        "version": ">= 2.2, < 2.3.9"
      },
      {
        "status": "affected",
        "version": ">= 2.4-alpha-1, < 2.4-beta-1"
      }
    ]
  }
]

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

30.3%

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