CVE-2020-27604

PoC —

CVSS 3.1

6.5 medium

EPSS

1%p65

Published

Oct 21, 2020 (Oct 21, 2020)

Modified

Jun 17, 2026

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.

Vendors: bigbluebutton
Products: bigbluebutton
Weakness: CWE-116
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.1%)

In the news0 stories

No ingested article mentions this CVE yet.