Overview
- Description
- BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.2 is vulnerable to unrestricted file upload, where the insertDocument API call does not validate the given file extension before saving the file, and does not remove it in case of validation failures. BigBlueButton 2.6.0-beta.2 contains a patch. There are no known workarounds.
- Source
- security-advisories@github.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 8.8
- Impact score
- 5.9
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
Weaknesses
- security-advisories@github.com
- CWE-434
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5F3F6566-B94F-4CBC-B1BA-DACA51865D76",
"versionEndIncluding": "2.5.18"
},
{
"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "83C1F894-31BC-4C2D-AD62-837D990257CF"
},
{
"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "84EE596E-A3F6-4B29-B51D-CAE19A74D5E3"
},
{
"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A8DD6CB9-0B7E-4C4E-BDC6-D8FD1B85882D"
},
{
"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1BA4033B-60B8-4674-98CA-F5794B905362"
},
{
"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:beta1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "66F6441F-A11A-424B-BB9C-1CFF5F95B02E"
}
],
"operator": "OR"
}
]
}
]