BigBlueButton API checksum bypass via presentationUploadExternalUrl
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| bigbluebutton | bigbluebutton | affected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Bigbluebutton | Bigbluebutton |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.476% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Bigbluebutton
Bigbluebutton bigbluebutton |
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| Vendors & Products |
Bigbluebutton
Bigbluebutton bigbluebutton |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web checksum validation could be bypassed when a presentationUploadExternalUrl parameter was supplied to API request handling in CreateMeeting.java and ValidationService.java, allowing a user to send valid requests to some endpoints without a checksum. This issue is fixed in version 3.0.21. | |
| Title | BigBlueButton API checksum bypass via presentationUploadExternalUrl | |
| Weaknesses | CWE-284 | |
| References |
| |
| Metrics |
cvssV3_1
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