CVE-2022-31065
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
30.8%
BigBlueButton is an open source web conferencing system. In affected versions an attacker can embed malicious JS in their username and have it executed on the victim’s client. When a user receives a private chat from the attacker (whose username contains malicious JavaScript), the script gets executed. Additionally when the victim receives a notification that the attacker has left the session. This issue has been patched in version 2.4.8 and 2.5.0. There are no known workarounds for this issue.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| bigbluebutton | bigbluebutton | * | cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:* |
| bigbluebutton | bigbluebutton | 2.3.0 | cpe:2.3:a:bigbluebutton:bigbluebutton:2.3.0:*:*:*:*:*:*:* |
| bigbluebutton | bigbluebutton | 2.4.9 | cpe:2.3:a:bigbluebutton:bigbluebutton:2.4.9:*:*:*:*:*:*:* |
| bigbluebutton | bigbluebutton | 2.5 | cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha1:*:*:*:*:*:* |
| bigbluebutton | bigbluebutton | 2.5 | cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha2:*:*:*:*:*:* |
| bigbluebutton | bigbluebutton | 2.5 | cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha3:*:*:*:*:*:* |
| bigbluebutton | bigbluebutton | 2.5 | cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha4:*:*:*:*:*:* |
| bigbluebutton | bigbluebutton | 2.5 | cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha5:*:*:*:*:*:* |
| bigbluebutton | bigbluebutton | 2.5 | cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:alpha6:*:*:*:*:*:* |
| bigbluebutton | bigbluebutton | 2.5 | cpe:2.3:a:bigbluebutton:bigbluebutton:2.5:beta1:*:*:*:*:*:* |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
30.8%