CVEvulnerability
CVE-2020-27604
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-10-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:P/I:N/A:N
- Weaknesses
- CWE-116
Description
BigBlueButton before 2.3 does not implement LibreOffice sandboxing. This might make it easier for remote authenticated users to read the API shared secret in the bigbluebutton.properties file. With the API shared secret, an attacker can (for example) use api/join to join an arbitrary meeting regardless of its guestPolicy setting.
Affected configurations
• bigbluebutton bigbluebutton (< 2.2.8)
Related
Weakness · CWE (1)
- CWE-116 Improper Encoding or Escaping of Output weakness
References
- https://docs.bigbluebutton.org/dev/api.html Product
- https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.html Exploit, Third Party Advisory
- https://docs.bigbluebutton.org/dev/api.html Product
- https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.html Exploit, Third Party Advisory